Analysis of the Impact of Science on Society - 1263 Words

Analysis of the Impact of Science on Society Science is an amazing wide discipline that encompasses physical, chemical and biological areas. Since time in immemorial, science has been at work. This is because science is the aspect of using technical knowhow to provide solution to problems facing mankind at different times on a day to day basis. In earlier days, man did things without knowing that what he was doing is actually science. However, the scientific processes and activities that happen without knowledge of man continue to be discovered and man is gradually harnessing each aspect of them to meet his needs. This effect has resulted to consequences that are both positive and negative. The science subject is pretty wide and the provisions of this paper cannot permit discussion in its entirety. Therefore, this paper focuses on analysis of the impact of biological science on society. This essay checks on both the positive and negative effects brought by use biological science in s olving problems that face modern man. Impact of Biological Science on Society Biology is wide because it touches on all living things that are either animals or plants. This directly translates that its impacts is far reaching. Health is a fundamental aspect of human beings and man is constantly involved in coming up with methods that are going to maintain his health and counter emerging health challenges. One of the channels he has been using to achieve this is through use of biologicalShow MoreRelatedThe Impact of Computer Science on Health Care Medicine1283 Words   |  6 PagesThe Impact of Computer Science on Health Care amp; Medicine Abstract Computer science can be defined as the systematic study of algorithmic processes, their theory, design, analysis, implementation and application. 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Pinoy Youth’s Preference for Kpop (Korean Pop) Music How...

Pinoy Youth’s Preference for KPOP (Korean Pop) music: How does it affect their taste for OPM (Original Pilipino Music)? CHAPTER IV RESEARCH METHODOLOGY This particular research study aims to determine the Pinoy Youth’s Preference for Korean Pop Music and how does it affect their taste for Original Pilipino Music (OPM). Regarding this, the researchers will seek to know whether factors like rhythm and music composition of Korean Popular Music really affect the Pinoy teenagers’ preference towards Original Pilipino Music In addition, the researchers want to distinguish the respondents (female residents of the University of the Philippines Cebu College Dormitory and other chosen students in UPVCC) view toward Korean Pop music as well as their†¦show more content†¦Below the introductory question will be 2 tables, one for K-pop music and the other one is for OPM music. The two tables are divided into 5 columns. These columns would serve as the respondents’ ratings from 1 to 5 and 5 as the most appreciated towards K-pop and OPM Music. Each factor consists of 3 phrases related to the factor revealed. As mentione d earlier, one factor that affects the respondents’ preference toward music is the performers. The second factor involves the pattern of beats that the music contains. The third one relates to the lyrics of the music and how the message is being delivered to the listeners or audience. The researchers provide a survey questionnaire with a letter of permission to the chosen respondents. If the respondents approved the letter, they would answer the questionnaire automatically. If not, the researchers would pick another respondent and will answer directly to the survey questionnaire after approval. The respondents would just directly answer the questions with no time limit. After the respondents have completed answering the questions, the questionnaire will be collected. DATA ANALYSIS The researchers would then tally the results obtained. The results will then be tabulated. After that, thorough analysis should be done and the results would then be interpreted. This will be done by calculating the results using the Chi-Square Test for Independence. The researchers decided to use

Lord of the flies by Willam Golding Free Essays

Lord of the flies refers to the story of a group of English boys marooned on a tropical island after their plane was shot down during a war. But the book’s exploration of the idea of human evil is to some extent based on Golding’s experience with the violence and savagery of human beings during World War II. Lord of the flies dramatizes a fundamental human struggle: the conflict between the impulse to obey rules, behave morally, and act lawfully and impulse to seek brute power   over others, act selfishly, behave in a way that will gratify one’s own desires, scorn moral rules, and indulge in violence. We will write a custom essay sample on Lord of the flies by Willam Golding or any similar topic only for you Order Now The first set of impulses might be thought of as the â€Å"civilizing instinct†, which encourages people to work together toward common goal and behave peacefully; the second set of impulse might be thought of as the â€Å"barbarizing instinct†, or the instinct toward savagery, which urges people to rebel against civilization and instead seek anarchy, chaos, despotism, and violence. The Lord of the flies shows the great struggle of the boys to rescue from the horizon. The children made a group and started doing work to attract the attention of the passing ships. They elected their own leader and started finding their way to rescue from that place and chose Ralph as their leader. Ralph elected Jack as the leader of the hunters. Ralph, Jack and Simon set off on an expedition to explore the island. When they returned from hunting, Ralph declared that they must light a signal fire to attract the attention of passing ships. The boys began to do so; they started using the lens from Piggy’s eyeglasses to ignite dead wood. They were very innocent and do not know the importance of the work and were interested in playing more than igniting fire. So because of their insincerity towards work the fire quickly ignites the forest. And the fire becomes out of control. One of the youngest boys disappears from the group and they think that he has presumably burned to death. All the boys started enjoying themselves without grownups except Jack and Ralph. After some time Ralph and Piggy see the ship passing by the horizon. But when ship passes signal fire burned out; it had been a hunter’s responsibility to maintain it. After that Ralph accosts Jack, but the hunter has just returned to his first hunt, and all the boys were uncontrolled and excited and start dancing. When Piggy criticizes Jack because of his insincere deed, Jack hits him. It was really a problem to keep the single fire lit so the boys become afraid. Ralph and Jack both do not liked each other, they wanted a separate group. Jack was violent in nature so he declared himself the leader of new tribe and the group of the boys divided in two parts. They all had lost their innocence and civilization. Ralph was civilized and wanted every one to live in civilized manner but most of the other boys went into bloodlust and barbarism. The sight of hunters chanting and dancing was baffling and distasteful to him. The first hand knowledge of the evil that existed with in all human beings was tragic for Ralph. But this knowledge also enabled him to cast down the Lord of the Flies at the end of the novel. His story ends semi-tragically although he was rescued and returned to civilization, when he saw the naval officer, he wept with the burden of his knowledge about humanity. All the children adopted barbarism and lost innocence and civilization. They took care of the small children. Children of Lord of the Flies did a great effort to rescue from the horizon and tackled the situation very tactfully.   In the novel children tried to free themselves from the power of others by doing different kind of deeds and Jack tried to snatch away the powers of the Ralph. Reference Sir, Golding, William. (1997). Lord of the flies. New York: RIVERHEAD. How to cite Lord of the flies by Willam Golding, Essay examples

Organization and Management

Question: Discuss about the Organization and Management. Answer: Introduction: A strong management is the backbone of a successful organization. The management implements strategic decisions to manage the organization and employees. Pakn Save is a private subsidiary retail in New Zealand. The organization was started in New Zealand in 1995 (paknsave.co, 2016). The organization generally sells food, grocery items and regular food grains. This organization maintains a low pricing strategy and gets the subsidy from the New Zealand government. The managers have implemented an operational plan, strategic plan and implemented three timing controls such as feed forward, concurrent and feedback. 3.1 Development plan for the department: As an operational manager, I have the responsibility to implement the process of planning, designing and operation of the sales system and subsystems. I have the responsibility to implement new employee management plan, promotional plan, facility design, quality assurance and maintenance planning and inventory control. I have planned to implement a one year improvement strategy for the Pakn Save. I have divided the total time in different parts and planned to implement different planning such as employee management planning, promotional planning and quality assurance. I have planned to take 4 months for implementing the new structure of staffs. I have discussed with the human resource management about the present staff structure. I have observed that the staffs are maintained by the floor managers in the retail stores. Therefore, I will implement the leadership strategy and reframes the staffs schedule in the organization. Therefore, on the basis of the plan the staffs will be managed by the team leaders. After that, I shall implement the marketing plan in 5 months. I shall implement the sales forecast and prepare a production budget. I shall implement the review of the product prices of other retail organizations. I shall request the New Zealand government to increase the subsidy so that the organization is able to maintain a low price structure. I shall arrange the meeting with the marketing team and give them some idea about the new marketing strategy. I shall advice the marketing team to increase the customer relations through the online marketing strategy. I expect that the quality assurance planning will take at least 3 months to implement. I shall revise quality standards and measure the actual performance of the organization. I shall arrange the meeting with the Quality analysis team and understand the current standard of foods and groceries. I shall select a quality standard and implement the corrective action for improving the standard of the food items. 3.2 Strategic planning: As a Chief Executive (CE), I have planned to implement the new strategic planning for the organization. Therefore, I shall follow a particular planning process for implementing the strategic plan. Firstly, I shall collect the facts and incidents from all stakeholders, customers and competitors. After that, I shall implement the SWOT analysis and evaluate the weakness and threats. I shall observe the reviews of the stakeholders input and SWOT analysis. I shall define 3-4 key statements from the SWOT analysis. I shall take the help of the strategic matrix and implement different combinations such as opportunity versus strength, opportunities versus weakness, threats versus strength and threat versus opportunity. After that, I shall define strategies based on the objectives, short and long term goals and operational plans. Finally I shall implement the final review and adjustment on the new strategic plan. 3.3 The purpose of the strategic and operational plan: The purpose of the operational plan is to implement the strategic plan. The operational manager will provide the operational plan to implement a clear picture of the task and activities of the staffs structure, marketing plan and quality standards improvement (Hubbard, Rice Galvin, 2014). The operational strategy will improve the strategic plan of the organization. The strategic planning will be implemented by the Chief Executive (CE) for clarifying the outcomes of Pakn Save and find out the changes (Jones, 2014). The CE will implement the broad strategies that will enable the organization to achieve the outcomes. The CE will identify the ways to measure progress of the organization (Rice, 2013)). 3.4 Implementation and Control: The operational manager (OM) and the Chief Executive have planned to implement the feed forward control system for Pakn Save (Zhang Wang, 2014). The OM and CE have already observed that the business operation of the organization requires many supportive staffs to approach the customers about the food products. The feed forward control system will regulate the resources like employees, raw materials and capital for the organization (Yang et al., 2014). The Operational Manager and Chief Executive have planned to implement the concurrent control to identify the preventing problems in the organization as they occur. The OM and CE has planned to implement a strategy to increase the contract with the suppliers (Wu, Su Shi, 2014). Therefore, the store managers will bring the food items and grains from the suppliers whenever it necessary. The Operational manager and the Chief executive will implement the Feedback control system in the organization (Zhang Wang, 2014). The operational manager and Chief executives will evaluate the feedback of the customers and the staffs and implement the strategy to improve the development plan and strategic plan. Conclusion: The operational manager will implement the operation plan of 1 year to implement the employee management planning, promotional planning and quality assurance. The Chief Executive will implement the new strategic planning for Pakn Save. The Operational manager and Chief Executive will implement the feed forward control, concurrent control and feedback control for Pakn Save. Reference list: Hubbard, G., Rice, J., Galvin, P. (2014).Strategic management. Pearson Australia. Jones, M. (2014).Sustainable event management: A practical guide. Routledge. paknsave.co,. (2016).PAK'nSAVE Supermarket | New Zealand's Lowest Food Prices | PAK'nSAVE.Paknsave.co.nz. Retrieved 1 June 2016. Rice, A. K. (2013).Productivity and social organization: The Ahmedabad experiment: Technical innovation, work organization and management. Routledge. Wu, L., Su, X., Shi, P. (2014). Output feedback control of Markovian jump repeated scalar nonlinear systems.Automatic Control, IEEE Transactions on,59(1), 199-204. Yang, R., Liu, G. P., Shi, P., Thomas, C., Basin, M. V. (2014). Predictive output feedback control for networked control systems.Industrial Electronics, IEEE Transactions on,61(1), 512-520. Zhang, H., Wang, J. (2014). Combined feedbackfeedforward tracking control for networked control systems with probabilistic delays.Journal of the Franklin Institute,351(6), 3477-3489.

Notes & Thoughts On Of Mice And Men Essays - English-language Films

Notes & thoughts on Of Mice and Men Written by John Steinbeck. Born in Salinas, Calif. in 1902. Worked as a laborer and journalist. Focused on the laboring class, dispossessed, underdogs, misfits, castaways, and marginal characters of society _ what to do with them? Concerned with how society treats them. Title is from Robert Burns' poem "To a Mouse" which has to do with planning and the powers beyond over which man has no control _ "The best laid schemes o'mice an' men *gang aft a-gley" (*go awry) and it indicates, or suggests, that plans of Lennie and George will also go astray due to forces beyond their control. Some economists of the early nineteen hundreds theorized that the industrialized age builds a permanent underclass and regardless of hopes and dreams there is no escape because of powers beyond their control. The people doomed to manual day and piece work labor will never be able to escape from their dreary day-to-day existence. Steinbeck focuses on the underdog, the dispossessed, society's misfits and outcasts. What to do with them? Dreams are a major theme in the novel, dreams that can never materialize. Steinbeck suggests that society itself encourages dreams, such as Curley's wife and her dream of becoming a Hollywood star, which can never come to fruition. Characters in Of Mice and Men Lennie Small Imaged as pet/animal, child, white race, victim of nature and society, just pure dumb luck he ended up mentally ill, not his fault, he does not know and cannot learn. Lennie will be discussed through this outline. George Milton Looks after Lennie. Acts as parent, friend, protector, and master. George does not really believe the dream he continually relates to Lennie about their one day getting their own place until Lennie brings Candy and his money contributions into the plan. At that time George says, "Jesus Christ! I bet we could swing her." George can't see that the dream will never materialize. He is doomed to day labor and piece work jobs with no significant gain. George does value Lennie, even loves Lennie, as a friend and partner. They are different because they have each other. This shows that George does not have normal relationships with other men. He relies on a mentally ill man for a friend. Loneliness is also a major theme. George is lonely and likes Lennie's company. He sees Lennie as a pet, a friend, a responsibility, and a helpless person. George is victim of a failed economic system that does not provide for its castoffs. Aunt Clara Lennie's aunt who cared for him but has died. George now looks after Lennie. But, why? That's the big question. Pose this to the class. Have them look for supporting details for their answers. Candy The "swamper" (one who cleans, mops and sweeps up the bunk house) who had his right hand mauled in a piece of farm equipment (ironically a cultivator which is used to produce nourishment but it robs him of the very part of his body that he must have in order to nourish himself) and he is now of almost of no use to the system. His days are numbered and he'll soon be "on the county." The right hand is a symbol of the workingman which Candy no longer is. Thus, he is fast becoming worthless and will soon be dispossessed like his dog. Candy has no chance, or hope, of a future except if he throws his small amount of money in with the others. Irony is that they have no hope without him. Lennie acts as the glue to hold this dream together. Candy's dog A foreshadowing of what will become of Lennie, Candy, Crooks, and all the characters sooner or later. The dog used to be one of the best sheep herder dogs but now is used up, spent, no longer of any economic value. No one but Candy cares what the dog used to be able to do. Now he just "stinks" and can barely get around. This is an excellent opportunity to introduce to the learners the term "foreshadowing." Slim An American cowboy who now works on a barley farm driving mules due to the closing, or civilizing, if you will, of the American west. Slim's a victim of a vanished way of life with few if any skills suitable to obtain himself meaningful employment. He's now a "jerk-line skinner"

Free Essays on “Between A Rock And A Soft Place”

Although we live in the twenty-first century, has the debate about stereotyping men and women come to an end? In the essay â€Å"Between a Rock and a Soft Place† the author categorizes genders, male and female. More so the author tries to describe the hardship that men had to go through and may even still being going through, as well as woman during the feminist action movement. Before I read this essay, I never stopped for a moment to think about the difficulties men had to go through while woman were trying to establish equality. Looking back during the Victorian times, men had to be masculine bread winners and woman were looked upon as angelic procreating machines which took care of the offspring and their husbands. Well, at the time men didn’t know any better nor did the woman. Boys were raised into making themselves macho men, and girls were raised to believe that they had to be gentle creatures to nurture and obey their husbands and raise children. As a matter of fact, I don’t think it should have been any different for that time and age. Because I believe if the feminist action started any earlier, by now our men would have become woman except with male genitals. Although I am a fellow female, I believe woman are over doing and over powering men to such an extent that they have turned men into complete sissies. Besides adding un-needed burden to their shoulders. Please don’t misunderstand, I do believe in equal opportunities, but there is a biological reason to why there are two genders existing in this world. For instance, the biological make up of a man produces more testosterone, than in woman, thus makes the man masculine by nature. Feminist action has giving woman enough recognition for their equal capabilities, but why can’t woman understand that there are certain things that should be left for a man to do, and at the same time certain things woman should be doing. It doesn’t mean that we are weaker and not ... Free Essays on â€Å"Between A Rock And A Soft Place† Free Essays on â€Å"Between A Rock And A Soft Place† Although we live in the twenty-first century, has the debate about stereotyping men and women come to an end? In the essay â€Å"Between a Rock and a Soft Place† the author categorizes genders, male and female. More so the author tries to describe the hardship that men had to go through and may even still being going through, as well as woman during the feminist action movement. Before I read this essay, I never stopped for a moment to think about the difficulties men had to go through while woman were trying to establish equality. Looking back during the Victorian times, men had to be masculine bread winners and woman were looked upon as angelic procreating machines which took care of the offspring and their husbands. Well, at the time men didn’t know any better nor did the woman. Boys were raised into making themselves macho men, and girls were raised to believe that they had to be gentle creatures to nurture and obey their husbands and raise children. As a matter of fact, I don’t think it should have been any different for that time and age. Because I believe if the feminist action started any earlier, by now our men would have become woman except with male genitals. Although I am a fellow female, I believe woman are over doing and over powering men to such an extent that they have turned men into complete sissies. Besides adding un-needed burden to their shoulders. Please don’t misunderstand, I do believe in equal opportunities, but there is a biological reason to why there are two genders existing in this world. For instance, the biological make up of a man produces more testosterone, than in woman, thus makes the man masculine by nature. Feminist action has giving woman enough recognition for their equal capabilities, but why can’t woman understand that there are certain things that should be left for a man to do, and at the same time certain things woman should be doing. It doesn’t mean that we are weaker and not ...

E-Marketing in Amazon Company Essay Example | Topics and Well Written Essays - 2750 words

E-Marketing in Amazon Company - Essay Example The company has always been a traditional e-commerce company that ships items around the globe. The sudden insurgency of moving towards e-marketing and making items available digitally as downloads for customers. Amazon wants to stick to the traditional method of marketing and selling but also enter e-marketing without having any adverse effects on the company taken along. They are still testing the new idea and taking it slow to avoid fatal problems in order to easily bounce back in case of any failures. This strategy of taking it slowly is a rational approach by Amazon because a hasty entry might have a negative effect on the company since its loyal customers might have rebelled. If they take it slowly then customers will be able to adopt it gradually and also that they have both the options available for their customers and they can make a choice. It is important for any company to stick to their original values and set standards but change is essential only when it is taken at a pace that is suitable for all stakeholders of a firm to accept and adapt to it. This is what makes an entry strategy successful since customers are essential and must be taken along to implement a change successfully. The partners and competitors of the company have great expectations out of Amazon since they believe that Amazon will soon come up with its own website offering music downloads for an amount of money and also that they will sell an e-book device under the Amazon brand by the name.... They are still developing as an e-marketing firm and moving steadily to their desired destination. Critical evaluation the market entry strategy Amazon entered the market with the acquisition of mobipockets.com which is based in Paris. Amazon adopted a hush hush attitude towards the acquisition of the company that is now its subsidiary that sells products digitally online. It provides books online as a download for some amount of money. But the amount of money is naturally lesser than the traditional way of selling goods over the internet. Amazon has also introduced its Unbox movie-download which was built in-house by the company in 2006. Amazon decided not to advertise this entry into e-marketing for certain reasons. The company has always been a traditional e-commerce company that ships items around the globe. The sudden insurgency of moving towards e-marketing and making items available digitally as downloads for customers. Amazon wants to stick to the traditional method of marketing and selling but also enter e-marketing without having any adverse effects on the company. They are still testing the new idea and taking it s low to avoid fatal problems in order to easily bounce back in case of any failures. This strategy of taking it slowly is a rational approach by Amazon because a hasty entry might have a negative effect on the company since its loyal customers might have rebelled. If they take it slowly then customers will be able to adopt it gradually and also that they have both the options available for their customers and they can make a choice. It is important for any company to stick to their original values and set standards but change is essential only when it is taken at a pace that is suitable for all stakeholders of a firm to accept and adapt to

English 102 Research Paper Example | Topics and Well Written Essays - 2000 words

English 102 - Research Paper Example The principles that underline the seriousness of this problem include blocks like sexual activity, universal sex education, and the availability of contraceptive options. The prime and the most pondered upon issue which is being spread like fire all around the researches in contemporary literature is teen pregnancy which is why I will provide a basis of this issue with reference to its illustration through modern art. Different beliefs are held by different people; similarly various researches show various results. Hence, for the clarification of the causes and measures for the solution of this issue, all sides have been provided and presented objectively for the formulation of the readers own opinion. As the viewpoints provided are completely valid and applicable, thus this paper provides a study reference for the elimination or decrease in the problem of teen pregnancy from the society and improving the public health sector. Allen, Joseph P., Philliber, Susan, Herrling, Scott and Kuperminc, Gabriel P. â€Å"Preventing teen Pregnancy and Academic Failure: Experimental Evaluation of a Developmentally Based Approach† Child Development 68.4 (2006): 729–742. Print. The psychological reference of this work to various social and personal issues of public health is known well. The entire article puts forth the importance of social development in high school students and the scholars suggest that both teachers and parents are well aware of the practice. This article also points out the difficulty that students and teachers face in trying to implement the broad developmental tasks. According to the approach and estimates provided on page 290 of this book, it has been elucidated that the increase in the early pregnancy is among the two most troubling trends in our society. It is suggested that there is a link between the process of childbearing of the mother and that of their daughters. As compared to the above study, this book suggests various

Walter Rauschenbusch and social theology gospel Essay

Walter Rauschenbusch and social theology gospel - Essay Example The works of Rauschenbusch and his duties as a Protestant pastor were influenced very much by the teachings of Marx and his Communist Manifesto. They were about capital and labor and the dehumanizing condition of the ordinary working American in his time. But he worked with small congregations and he wanted to be near the common workingman. He wrote: I wanted to do hard work for God. Indeed, one of the great thoughts that came upon me was that I ought to follow Jesus Christ in my personal life, and die over again his death. I felt that every Christian ought to participate in the dying of the Lord Jesus Christ, and in that way help to redeem humanity, and it was that thought that gave my life it's fundamental direction in the doing of Christian work. (Kyle Potter) Rauschenbusch began his first long-term pastorate at the Second German Baptist Church in New York, in a poor and dangerous neighborhood called "Hell's Kitchen," on 1 June 1886. He began to evangelize first and foremost, but that his education "in individualistic conservatism" had not prepared him for the poor standards of living, lack of education and danger. Rauschenbusch then decided that industrial crises existed due to the capitalistic system under which the poor struggled, exacerbating sickness, violence, and problems presented by bad food. (Kyle Potter) He wrote in The Social Gospel the inhuman condition that he had observed. In the 90s, he said, he saw "good men go into disreputable lines of employment and respectable widows consent to live with men who would support them and their children" (Rauschenbusch). Such was the condition at the time. Morality was down, there was a lot of poverty, and the system was to some extent inclined to a particular group known as the capitalists or oligarchs, but which were called in Marx and Engel's manifesto the bourgeois, in contrast to the lower class which was the proletariat. Rauschenbusch was not concerned however of the ideology; rather, he was concerned of the Gospel in relation to the suffering of the working man. His writings, and teachings, were aimed to alleviate the plight of the workingman who was being abused and oppressed, and reduced to the lowest serf. The working conditions were worse at that time; the capitalist was only concerned of his capital while the living conditions of the working man, including his family, home, insurance were not being looked into. Rauschenbusch's view of Christianity was that its purpose was to spread a Kingdom of God, not through a fire and brimstone style of preaching but by leading a Christlike life (Wikipedia). Rauschenbusch gave a special emphasis on theology, legitimizing it in mainstream American Protestantism. There is one and major distinction between Karl Marx's communist manifesto and Walter Rauschenbusch's social Gospel theology, and that is the former disregarded the belief in God amid socialism and communism ideas, while the latter connects his theories with the suffering Christ. Rauschenbusch argues that man should relate himself to the crucified Christ. He explained that the Kingdom of God "is not a matter of getting individuals to heaven, but of transforming the life on earth into the harmony of heaven" (Wikipedia). The causes, conditions

Endosymbiotic Theory of Eukaryotic Cell Development

Endosymbiotic Theory of Eukaryotic Cell Development Abstract The defining feature of eukaryotic cells is that they contain membrane-bound organelles and a true nucleus. The endosymbiotic theory is based upon the idea that eukaryotic cells evolved in steps beginning with the stable incorporation of chemo-organotrophic and phototrophic symbionts from the domain bacteria. This essay reviewed the evidence that supports this theory. After investigating the molecular, physiological and morphological evidence, it is almost certain that chloroplasts and mitochondria are from the domain bacteria, and that many of the genes required for the survival of these organelles are contained within the nuclear DNA of the eukaryotic cell rather than the organelles own independent DNA. It is for this reason that I believe that endosymbiosis was the process whereby eukaryotes began to form and evolve. It was found that the genome of a protozoan, Reclinomonas, contained all the protein-coding found in sequenced mitochondrial genomes, providing support for the specul ative process of endosymbiotic gene transfer. The hydrogen hypothesis seems to be the most likely scenario for the formation of eukaryotes, which explains the need for compartmentalisation with increasing host genome size to improve efficiency of function throughout the cell, and the chimeric nature of eukaryotes. Introduction Based upon data collected from slow decaying radioactive isotopes, Earth is thought to have formed approximately 4.55 billion years ago. From this time of origin, a continual process of geological and physical change has occurred, which created conditions leading to the origin of life about 4 billion years ago. Life is thought to have undergone the process of evolution, defined as DNA sequence change and the inheritance of that change, often under the selective pressures of a changing environment. (1) Microfossil evidence suggests that unicellular eukaryotes arose on Earth approximately 2 billion years ago, after the development of an oxic environment and the invention of respiratory metabolism in cyanobacteria. This timing infers that the availability of oxygen was a large influence on the biological evolution that led to the emergence of Eukarya. (1) The defining characteristic of eukaryotes is the presence of a well-defined nucleus within each cell. (2) Typical eukaryotic cells contain a membrane bound nucleus and organelles enclosed by an outer plasma membrane; these organelles are organised into compartmentalised structures which have their own function(s) within the cell, often working together with other organelles to complete vital biological processes. This compartmentation in cells is essential in organisms as it allows differing compositions of nutrients to exist inside each compartment as opposed to outside, creating perfect conditions for biochemical reactions to occur.(3) The differences between eukaryotes and prokaryotes are shown in Table 1: Mitochondria are membrane-bound organelles found in the cytoplasm of most eukaryotic cells and are most concentrated in cells associated with active processes, such as muscle cells which constantly require energy for muscle contraction. The two surrounding membranes that encompass a mitochondrion differ in function and composition, creating distinct compartments within the organelle. The outer membrane is regular in appearance and composed of proteins and lipids, in roughly equal measure, whilst the outer membrane contains porin proteins rendering it more permeable. The inner membrane is only freely permeable to oxygen, water and carbon dioxide; it contains many infoldings, or cristae, that protrude into the central matrix space, significantly increasing the surface area and giving it an irregular shape. As can be seen in Figure 1, mitochondria contain ribosomes and have their own genetic material, mitochondrial DNA (mtDNA), separate from the nuclear DNA. (4) Mitochondria are the principle sites of ATP production- in a process known as oxidative phosphorylation. Products of the Krebs cycle, NADH + H+ and FADH2, are carried forward to the electron transport chain (ETC) and are oxidised to NAD+ and FAD, releasing hydrogen atoms. These hydrogen atoms split to produce protons and electrons, and the electrons are passed down the ETC between electron carriers, losing energy at each level. This energy is utilised by pumping the protons into the intermembranal space causing an electrochemical gradient between the intermembranal space and the mitochondrial matrix. The protons diffuse down the electrochemical gradient through specific channels on the stalked particles of the cristae, where ATPsynthase located at the stalked particles, supplies electrical potential energy to convert ADP and inorganic phosphate to ATP. In mammalian cells, enzymes in the inner mitochondrial membrane and central matrix space carry out the terminal stages of glucose and fatty acid oxidation in the process of ATP synthesis. Mitochondria also play an important role in the regulation of ionised calcium concentration within cells, largely due to their ability to accumulate substantial amounts of calcium. (3)(5) Chloroplasts are membrane-bound organelles found within photosynthetic eukaryotes. Chloroplasts are surrounded by a double membrane, the outer membrane being regular in appearance whilst the inner membrane contains infoldings to form an interconnected system of disc-shaped sacs named thylakoids. These are often arranged in to stacks called grana. Enclosed within the inner membrane of the chloroplast is a fluid-filled region called the stroma, containing water and the enzymes necessary for the light-independent reactions (the Calvin cycle) in photosynthesis. The thylakoid membrane is the site of the light dependent reactions in photosynthesis, and contains photosynthetic pigments (such as chlorophyll and carotenoids) and electron transport chains. Chloroplasts, like mitochondria, contain ribosomes and their own independent DNA (ctDNA), which is central to the theory of endosymbiosis. The structure of a typical chloroplast is shown by Figure 2: Radiant energy is trapped by photosynthetic pigments and used to excite electrons in order to produce ATP by photophosphorylation. The light dependent reactions occur in the thylakoid membrane (Photosystem II or P680) and ultimately, these reactions produce the ATP and NADPH required for photosynthesis to continue in the stroma (where Photosystem I or P700 is located). A series of light independent reactions occur within the stroma producing carbohydrates from carbon dioxide and water using ATP and NADPH. The most supported hypothesis (put forward by Lynn Margulis) for the origin of the eukaryotic cell is that of endosymbiosis which is suitably named as symbiosis occurs when two different species benefit from living and working together. When one organism actually lives inside the other its called endosymbiosis.'(6) The endosymbiosis hypothesis states that the modern, or organelle-containing eukaryotic cell evolved in steps through the stable incorporation of chemo-organotrophic and phototrophic symbionts from the domain Bacteria. In other words, chloroplasts and mitochondria of modern-day eukaryotes arose from the stable incorporation into a second type of cell of a chemoorganotrophic bacterium, which underwent facultative aerobic respiration, and a cyanobacterium, which carried out oxygenic photosynthesis. The beneficial association between the engulfed prokaryote and eukaryote would have given the eukaryote an advantage over neighbouring cells, and the theory is that the prokaryote and eukaryote lost the ability to live independently. (1) Oxygen was an important factor in endosymbiosis and in the rise of the eukaryotic cell through its production in photosynthesis by the ancestor of the chloroplast and its consumption in energy-producing metabolic processes by the ancestor of the mitochondrion. It is worth noting that eukaryotes underwent rapid evolution, most probably due to their ability to exploit sunlight for energy and the greater yields of energy released by aerobic respiration. Support for the endosymbiosis hypothesis can be found in the physiology and metabolism of mitochondria and chloroplasts, as well as the structure and sequence of their genomes.(1) Similarities between modern-day chloroplasts, mitochondria, and prokaryotes relative to eukaryotes are shown in table 2: Molecular Evidence When Margulis proposed the endosymbiotic theory, she predicted that if the organelles really were prokaryotic symbionts, they would contain their own independent DNA. This was proven to be the case in the 1980s for mitochondria and chloroplasts.(7)Furthermore, mitochondrial DNA (mtDNA) was found to have a proportionally higher ratio of guanine-cytosine base pairs than in eukaryotic nuclear DNA, as found in bacteria. These findings are significant as they strongly suggest that mitochondria and chloroplasts are of prokaryotic origin and nature, supporting the possibility that the eukaryotic cell evolved from the stable incorporation of symbionts from the domain Bacteria. Another striking similarity between mitochondria and bacteria is that they both contain 70S ribosomes and contain a comparable order of genes encoding ribosomal proteins a shown in Figure 4: It is only fair that the molecular problems associated with the endosymbiosis hypothesis that have been put forward are considered. Firstly, mitochondria and chloroplasts can only arise from pre-existing mitochondria and chloroplasts, having lost many essential genes needed for survival. It has been suggested that this is because of the large timespan that the mitochondria/chloroplasts have co-existed. During this time, systems and genes that were no longer needed were either simply deleted or transferred into the host genome. Hence, mitochondria and chloroplasts have lost the ability to live independently over time. This supports the endosymbiotic theory as it provides a reason as to why the ancestors of the chloroplasts and mitochondria were able to survive independently whilst chloroplast and mitochondria are unable to do so now. The study of mitochondrial genomes so far has suggested that mitochondrial genomes actually encode less than 70 of the proteins that mitochondria need to function; most being encoded by the nuclear genome and targeted to mitochondria using protein import machinery that is specific to this organelle.(7) It has been found that the genome of Reclinomonas contains all the protein-coding genes found in all the sequenced mitochondrial genomes: (8) The importance of Figure 5 is that it shows that the mitochondrial genome no longer contains many of the protein-coding genes, and hence, mitochondria are no longer able to live independently. The mitochondrial endosymbiont is believed to have belonged to the proteobacteria since several genes and proteins still encoded by the mitochondrial genome branch in molecular trees among homologues from this group. Interestingly, mitochondrial proteins such as the 60- and 70-kDa heat shock proteins (Hsp60, Hsp70), also branch amongst proteobacterial homologues, but the genes are encoded by the host nuclear genome.(9) This can be explained by a theory called endosymbiotic gene transfer which states that during the course of mitochondrial genome reduction, genes were transferred from the endosymbionts genome to the hosts chromosomes, but the encoded proteins were reimported into the organelle where they originally functioned. (7) This theory is central to the endosymbiotic theory, as it explain s the inability of chloroplasts and mitochondria to live independently even though these organelles are believed to have originated from the domain Bacteria. It is also believed that this gene transfer has provided an essential way in which mitochondrial or chloroplast activity can be regulated. The studies of protists raise  the possibility that mitochondria originated at essentially  the same time as the nuclear component of the eukaryotic cell  rather than in a separate, subsequent event. (10) T This would fit in with the hydrogen hypothesis as described later. A further problem to consider is the extent to which genes were transferred to the cell nucleus. Why did some genes remain in the cytoplasmic organelles? This question has been addressed by the Co-location for  Redox  Regulation (CoRR) hypothesis, which states that the location of  genetic information  in  cytoplasmic  organelles  permits regulation of its expression by the reduction-oxidation  (redox) state of its  gene products. Therefore, evolution by natural selection would have favoured mitochondrial or chloroplast cells that had deleted or transferred some genes to the host genome but had kept those that were still beneficial in the regulation of the organelles activity. (11) Physiological Evidence Evidence for the endosymbiosis theory can be found in the physiology of mitochondria and chloroplasts. For example, both mitochondria and chloroplasts have their own protein-synthesising machinery which closely resembles that of Bacteria rather than that of Eukaryotes. Ribosome function in mitochondria and chloroplasts are inhibited by the same antibiotics that inhibit ribosome function in free-living bacteria. Hence, it is no surprise that both these organelles contain 70S ribosomes typical of prokaryotic cells, and show 16S ribosomal RNA gene sequences, a characteristic of certain Bacteria such as Escherichia coli.(1) For example, human mitochondrial ribosomes can be affected by chloramphenicol (an antibiotic used to inhibit protein synthesis), further evidence that mitochondria are likely to be of bacterial origin. Chloramphenicol is a relatively simple molecule containing a nitrobenzene ring responsible for some of the toxicity problems associated with the drug: Chloramphenicol inhibits protein synthesis due to its high affinity for the large (50S) ribosomal subunit, which when bound to chloramphenicol, blocks the action of peptidyl transferase, preventing peptide bond synthesis. It has also been discovered that chloramphenicol prevents the maturation of the 30S ribosomal subunits, decreasing the number of competent subunits and significantly decreasing the proportion of mitochondrial ribonucleoprotein present as monomers. (12) Also, the antibiotic rifampicin which inhibits the RNA polymerase of Bacteria has been found to inhibit the RNA polymerase within bacteria. Proteins of chloroplast or mitochondrion origin, like bacteria, always use N-formylmethionine as their initiating amino acid of their transcript.(13) Mitochondria replicate, like bacteria, only by the process of binary fission inferring that mitochondria did indeed originate from prokaryotes. The completion of the genome sequence of the cyanobacterium Synechocystis, has provided e vidence for the origin of chloroplast translocation apparatus. Just as the endosymbiosis theory predicts, analysis of this sequence showed that three key translocation components within chloroplasts, Toc75, Tic22 and Tic20, evolved from existing proteins within the cyanobacterial genome.(14)Mitochondria and chloroplasts have remarkably similar mechanisms by which ATP is produced. These ATP-generating pathways often include electron transport chains and proton pumps, similar to that found in prokaryotic energy production mechanisms. One of the most recent problems with the endosymbiosis theory is found within the physiology of mitochondria. Mounting evidence suggests that key components of the mitochondrial transcription and replication apparatus are derived from the T-odd lineage of  bacteriophage  rather than from an ÃŽÂ ±-Proteobacterium, as the endosymbiont hypothesis would predict.'(15) It has been discovered that three of the essential elements of the replication and transcription apparatus; the RNA polymerase, the replicative primase-helicase and the DNA polymerase do not resemble those of eubacteria as predicted by the symbiosis theory, but instead appears to resemble proteins encoded by T-odd bacteriophages. However, this does not disprove the theory of endosymbiosis as it is conceivable that numerous mitochondrial genes were acquired together from an ancestor of T-odd phage early in the formation of the eukaryotic cell, at the time when the mitochondrial symbiont was incorporated. (15) Morphological Evidence Another characteristic that further supports the hypothesis is that mitochondria and chloroplasts contain small amounts of DNA that is different from that of the cell nucleus which is arranged in a covalently closed, circular structure, with no associated histones, typical of Bacteria. Mitochondria are surrounded by two membranes, separated by the inter-membranal space and each with a different composition. Mitochondrial membranes more closely resemble membranes found in Gram-negative bacteria in terms of lipid composition than eukaryotic membranes. (16) The inner-membrane infoldings in the mitochondria lends more credibility to the endosymbiosis theory as the cristae are adaptations that increase the surface area of oxidative enzymes, evolutionary analogues to the mesosomal membranes of many prokaryotes (16)Further evidence that mitochondria and chloroplasts are of a prokaryotic origin is the lack of cholesterol in their membranes. This is significant because it is an essential stru ctural component in many eukaryotic membranes, mainly in mammalian cell membrane, but it almost completely absent amongst prokaryotes. Another problem is that recent genetic analysis of small eukaryotes that lack many characteristics that are associated with eukaryotic cells, most importantly mitochondria, show that they all still retain genes involved in the synthesis of mitochondrial proteins. In 1983, the taxon Archezoa was proposed to unite this group of odd eukaryotes, and the belief was that these cells had diverged from other eukaryotes before these characteristics evolved and hence represented primitive eukaryotic lineages. Before the recent genetic breakthrough that shows that these eukaryotes contain genes involved in mitochondrial protein synthesis, molecular work supported their primitive status, as they consistently fell deep into the branches of eukaryotic trees. This recent genetic analysis implies that all these eukaryotes once had mitochondria, suggesting that they evolved after the mitochondrial symbiosis. There is also the question of how the eukaryotic cell arose, including the nature and propert ies of the cell that acquired mitochondria and later chloroplasts, and how the nuclear membrane was formed which touches upon the compatmentalisation within cells and its importance in the functioning of the eukaryotic cell. (7) Formation of the eukaryotic cell There have been two hypotheses put forward to explain how the eukaryotic cell arose. One states that eukaryotes started as a nucleus-bearing lineage that later acquired the bacterial ancestor of the mitochondrion and the cyanobacterial ancestor of the chloroplast by the process of endosymbiosis. This nucleated line then diverged into the lineages giving rise to animals and plants. It is thought that the nucleus arose spontaneously in an early cell. One possible cause for the spontaneous formation of the nucleus is that it arose in response to the increasing genome size of early eukaryotes. (1) The second hypothesis, also known as the hydrogen hypothesis, states that the bacterial ancestor of the mitochondrion was taken up by a member of the Archaea via endosymbiosis, and from this association, the nucleus later emerged, followed by a later acquisition of the cyanobacterial ancestor of the chloroplast. The main difference between these two hypotheses is the position of the mitochondrion relative to the formation of the nucleus in time and hence on the universal phylogenetic tree. The hydrogen hypothesis put forward by William F. Martin and Miklos Muller in 1998, proposes that the eukaryotic cell arose from a symbiotic association of an anaerobic, hydrogen dependent, autotrophic archaebacterium (the host) with a hydrogen producing, oxygen consuming eubacterium (the symbiont), which released molecular hydrogen as a waste product of anaerobic heterotrophic metabolism. (17) The dependence of the host upon the molecular hydrogen as an energy source, produced as a waste product b y the symbiont is thought to be what lead to the association. In this scenario, the nucleus arose following the formation of this stable association between these two kinds of cells, and genes involved in lipid synthesis were transferred from the symbiont to the host chromosome. This may have lead to the synthesis of bacterial (symbiont) lipids by the host, eventually leading to the creation of an internal membrane system, the endoplasmic reticulum and the early stages of a eukaryotic nucleus. As the size of the host genome increased with time, changes were made to maximise the efficiency of replication and gene expression via the process of evolution. Hence, over time, this kind of cell compartmentalised and sequestered the genetic coding information within a protected membrane away from the cytoplasm. The formation of a mitochondrion-containing nucleated cell line was complete, which then later acquired chloroplasts by endosymbiosis. The hydrogen hypothesis has explains the observ ation that eukaryotes are of chimeric nature, containing attributes of both Bacteria and Archaea. (1) Conclusions In summary, molecular, physiological and morphological evidence can be found to support the endosymbiosis theory put forward by Lynn Margulis. Most compelling of which is the numerous similarities between organelles such as chloroplasts and mitochondria with prokaryotes, coupled with the inability of the organelles to live independently despite having their own independent DNA due to most of the genes required for the survival of the organelle being stored in the nuclear DNA of the host. The importance of this should not be underestimated, as it does all but prove that the ancestors of mitochondria and chloroplasts were of a prokaryotic origin and thus were once able to live independently. Therefore, this does lend credibility to the endosymbiosis theory as the symbionts that were allegedly incorporated were likely to have been from the domain bacteria, and that something must have occurred which stopped the symbionts being able to live independently, an event which many scientists n ow believe to be the process of endosymbiotic gene transfer. The hydrogen hypothesis appears to be the likely scenario for how the eukaryotic cell evolved, as it explains the formation of the nucleus as being a response to the growing size of the nuclear genome of the host, which would have maximised efficiency of gene expression. Endosymbiosis also explains why the eukaryotic cell appears to be of a chimeric nature; containing attributes of Archaea (e.g. similar transcription and translation apparatus) and Bacteria (e.g. contain same type of lipids).

Single Parenting Essay -- Divorced Parents Children Health Essays

Single Parenting Single parents and their children constitute a rapidly increasing population. In the past single parenting was seen as a broken system, these units today provide a viable alternative to nuclear families (Kleist, 1999, p. 1). In looking at the characteristics of single parents raising healthy children, I will describe some of the challenges unique to single parenting, and review positive parenting techniques shown to be effective. Social Development has not prepared individuals to be single parents. Single mothers and single fathers need to establish strong support networks, personal friendships, and positive parenting skills. They need to learn how to synchronize the demands of work, home-care, and supervision of children (Benson, 1993). They need to enforce limits, rules, and boundaries consistently, and to transmit responsibility and values, in order to raise responsible, self-controlled, and healthy children (Cloud, and Townsend, 1998). They need to find ways to improve and maintain their self-esteem. Many single parents learn to live on reduced incomes, find acceptable ways to deal with non-custodial parent, and redefine their relationships with their children. These are but a few of the challenges facing single parents (Benson, 1993). Raising healthy children has more to do with the emotional well being of its members then on family composition (Heath, 1999). So then, how do single parents foster emotional well being amongst its members, while maintaining a full schedule of work, education, day care, deadlines, finances? It may be difficult and exhausting at times, but it is possible, and the rewards are many (Heath, 1999, p. 429). According to Heath, some of the areas affecting positive outcomes are family stability, self-esteem, and positive parenting (p 429). Our job as parents is to transmit values and the tools necessary for our children to be healthy adults being able to function in the world responsibly and with self-control (Cloud, and Townsend, 1998). Family Stability Children need to feel safe. They shouldn’t have to worry about their needs being met. They need structure and routine in order to feel safe and know what to expect. Family conflicts need to be resolved in productive ways. Home should be a balance of function, security, and serenity. Family stability is fostered through family values and family t... ...rk: It is obtainable though. Through special effort, the development of family systems were member feel a sense of well being and through positive parenting practices, single parent families can have strong families in which children can thrive. Works Cited: Bensen, P. L., & Roehlkepartain, E. (1993). Single Parent Families. MN: Search Institute. Cloud, H., & Townsend, J. (1998). Boundaries with kids. Michigan: Zondervan Publishing House. Craig, C. J., & Baucum, D. (2002). Human development. New Jersey: Prentice Hall. De’ath, E. (2000, Sept.). Parenting matters—what works in parent education. The British Journal of Educational Psychology, 70(3), 462-463. DeFrancis, B. (1994). The Art of Discipline. Never hit a child. Retrieved June 9, 2002 from the World Wide Web: http://www.neverhitachild.org/artodis1/ Heath, T. (1999, July). Single mothers, single fathers. Journal of Family Issues, 20(4), 429-430. Kleist, D. M. (1999, Oct.). Single-parent families: A difference that makes a difference? Family Journal, 7(4), 373-378. Parenting 101. (2002). Child Parenting. Retrieved June 7, 2002 from About.com on the World Wide Web: http://www.childparenting.about.com/

Glen Mount Furniture Company Essay

Discussion Questions 1. Such analysis allows the firm to determine at what level of operations it will break even and to explore the relationship between volume, costs, and profits. 2. A utility is in a stable, predictable industry and therefore can afford to use more financial leverage than an automobile company, which is generally subject to the influences of the business cycle. An automobile manufacturer may not be able to service a large amount of debt when there is a downturn in the economy. 3. A labour-intensive company will have low fixed costs and a correspondingly low break-even point. However, the impact of operating leverage on the firm is small and there will be little magnification of profits as volume increases. A capital-intensive firm, on the other hand, will have a higher break-even point and enjoy the positive influences of operating leverage as volume increases. 4. For break-even analysis based on accounting flows, amortization is considered part of fixed costs. For cash flow purposes, it is eliminated from fixed costs. The accounting flows perspective is longer-term in nature because we must consider the problems of equipment replacement. 5. Both operating and financial leverage imply that the firm will employ a heavy component of fixed cost resources. This is inherently risky because the obligation to make payments remains regardless of the condition of the company or the economy. 6. Debt can only be used up to a point. Beyond that, financial leverage tends to increase the overall costs of financing to the firm as well as  encourage creditors to place restrictions on the firm. The limitations of using financial leverage tend to be greatest in industries that are highly cyclical in nature. 7. The higher the interest rate on new debt, the less attractive financial leverage is to the firm. 8. Operating leverage primarily affects the operating income of the firm. At this point, financial leverage takes over and determines the overall impact on earnings per share. A delineation of the combined effect of operating and financial leverage is presented in Table 5-6 and Figure 5-5. 9. At progressively higher levels of operation than the break-even point, the percentage change in operating income as a result of a percentage change in unit volume diminishes. The reason is primarily mathematical — as we move to increasingly higher levels of operating income, the percentage change from the higher base is likely to be less. 10. The starting level of sales is significant because we measure what can happen at that point. Note that in formula 5-3, we must specify the quantity or beginning point at which degree of operating leverage is being computed. 11. Financial leverage, or the use of debt, not only determines how much interest we must pay but also the number of shares of common stock that we must issue to support the nondebt portion of our capital structure. Only by examining â€Å"earnings per share† can we pick up the effect of outstanding shares on the operation of the firm. 12. The indifference point only measures indifference based on earnings per share. Since our ultimate goal is market value maximization, we must also be concerned with how these earnings are valued. Two plans that have the same earnings per share may call for different price-earnings ratios, particularly when there is a differential risk component involved because of debt. 13. Television broadcasters commit to production schedules, program purchases, etc., in the spring, create the fall/winter program schedule, and then send the salespeople out to sell advertising air time for the coming season. Thus, the costs are virtually 100% locked in before any revenues are generated. A minor fluctuation in advertising revenue, therefore, has a major effect on operating earnings. 14. Students may come up with many points worth discussing. Emphasis should be directed to the tremendous debt load that required servicing. Consumer demand slowed down affecting cash flows, and increased interest rates at the end of an economic cycle had the same effect. Coupled with the excessive prices paid (particularly for Federated Stores) this caused problems. There was only a small margin for error. Discussion may also include Robert Campeau’s ego, failure to follow advice, and failure to achieve asset sales at projected prices. Campeau’s gamble was risky but it was close.

A Biography of JS Bach

A Biography of JS Bach "Listening to Bach is like watching energy pass from gear to gear in a complicated - but perfectly aligned and synchronized individual parts" (Han-Leon, 1997). This description of Johann Sebastian Bach's music captures the essence of the Baroque period, a time when art, music, and architecture were stylistically complex, yet beautiful. Artists were experimenting with new colors, architectural designs were ornamental and extravagant, and composers such as Bach were changing the way music was structured. This paper will review the life and career of Johann Sebastian Bach, the changes in his musical style, and discuss the significance of Bach's music, which can only be described as genius.Johann Sebastian Bach was born in the small German town of Eisenach in 1685. Bach was born into a musical family in which many of his family members held musical positions throughout the region. At an early age, Bach's father, Johann Ambrosius, the town's director of musicians, began teaching Bach the violin and harpsichord, a talent that remained with Bach throughout his life.Tomb of Johann Sebastian Bach at St. Thomas Church...Although Bach's father began his musical education, it was Bach's uncle, Johann Christoph Bach, who first introduced Bach to the organ, the instrument that is associated with Bach's fame. The strong religious ties in Bach's music can be attributed Eisenach since it is the same town that Martin Luther hid from persecution while translating the New Testament into German.Bach's early life was not all melodies; by the age of ten, he had lost a brother, sister, and both his parents. Mortality rates were high at the time so it was common for children to lose their parent early in life. This event marked the beginning of Bach's many travels. In 1695, Bach went to live with his eldest brother, Johann Christoph, in the city of Ohrdruf, who was a...

States by Edward Said Essays

States by Edward Said Essays States by Edward Said Paper States by Edward Said Paper Taylor Stephan Section 2 Exam â€Å"States† 1. Edward Said emphasizes the scattered, alienated nature of the Palestinian people. In my opinion, Said clearly displays that it is unfair to ask â€Å"What is it you Palestinians want? †. Palestine, once recognized as a country and a community, is now shattered into a plethora of pieces. These pieces, or people each with memories and experiences, were sprinkled all across the world. It would seem impossible to share national pride when one’s country does not technically exist. Palestinians do not have a unified home where they can share their sense of culture and their similar beliefs. Many Palestinians â€Å"speak of awdah (return)† (650). They want to restore their country, and glue together the broken pieces. Even if Palestine could be restored as a country, would it ever be the same? One cannot erase history. The Palestinians can never truly regain what they want, which is their identity and ethnocentricity. Questions can easily be misinterpreted. Misunderstandings due to poor communication have appeared throughout history. For example, in the 1940’s, America threatened Japan with an embargo, unless they cut relations with Japan. The Japanese mistakenly took this as a threat to their national security. The confusion caused the attack on Pearl Harbor, which is an extremely important event in American history. Japan and the United States were opposing forces, but trade held together the peace. This misunderstanding caused more hostility between the two groups. 2. Said explains that the photograph ignites negative, yet positive feelings about the condition of the Palestinian people. Said shows that this picture reflects symbols of vulnerability and disarray throughout the Palestinians. This shabby house, near Senjel, is covered with weeds. It appears to be out of place under the coverage of the trees. Said is very passionate for his own people. He has a great deal of emotional discomfort seeing a photographic display of the dislocation of his own people. I do not know what it feels like to lose my identity and be viewed through a skeptic’s eyes. Although this picture does not appear to incite certain emotions and feelings in myself, it is plausible for Said connect his feelings. Said understands the meaning of displacement with regards to his people’s history. Extra Credit: I can still remember the tragedy of September 11th. I was in second grade. All of the students were immediately sent home or picked up by their parents. I did not understand the images on the news. It almost seemed like a surreal action film. My aunt was on a flight to New York City that day, but luckily she arrived safe. I respect the people and rescue crew involved during September 11th. I think they displayed a deep sense of care for fellow Americans. I hope that the directly affected families have some sense of peace all of these years later.

Clinical guideline for nursing care of central venous catheters in Essay

Clinical guideline for nursing care of central venous catheters in adult intensive care - Essay Example Using pulsating technique, vigorously flush the catheter while maintaining pressure at the end of the flush to avoid reflux (after flushing, continue to hold plunger of syringe while closing clamp on the catheter, then disconnect syringes. For catheters devoid clamps, as the last 0.5-1ml of fluid is flushed, withdraw the syringe) Use antiseptic on site (0.5% chlorhexidine preparation with alcohol or tincture of iodine/ 70% alcohol in case of contra-indication to chlorhexidine) (avoid topical antibiotic ointments or creams on site0 Process applies to PICCs and tunneled catheters. Unless stated by manufacturer, change weekly or when there are signs of blood, cracks, precipitate, leaks, or other defects such as when septum is no longer in contact. (Procedure conducted under aseptic conditions.) Stabilize port with one hand and remove needle with the other and maintain positive pressure while de-accessing by flushing the catheter while withdrawing needle from septum. Dispose of used

Summary Essay Example | Topics and Well Written Essays - 250 words - 139

Summary - Essay Example Secondly, a symbol commences with the initial rupture immediately given. That is, symbols are usually in the form of phoneme. The phoneme, on its own, does not mean anything2. Continued utterance, of the phoneme, gives it meaning. The Eucharist, in comparison to a phoneme, is uttered by preachers and priests alike. The Catholic Mass, for example, is centred on the Eucharist. Thirdly, the existence of a symbol depends on the differences and relations with other parts in the system. Once it is isolated from the parts, the symbol can adopt any meaning. Lastly, a symbol’s value arises from its location in relation to the whole system3. The Eucharist relates to the other parts of the Mass. All events, in the Mass, culminate to the Eucharist. This grants the Eucharist its meaning as the body of Christ. Chauvet illustrates this through the example of a shard of porcelain strewn on a street. The shard helps us in recognizing that it was once a vase. Chauvet clearly distinguishes the two from their definition down to their usage. She defines sign as an element used to refer to something else4. The difference between the two is homologous to the analogy of the difference between the market-value principle and the symbolic-exchange principle. According to Chauvet, receiving a sacrament symbolizes the passage of the word to the body of its receiver5. The new covenant states that the Spirit of God will become one with the body of the people. Through the sacramental symbol, Christians are able to live out of God’s