Three-Dimensional Structure of Proteins Rotation around the -Carbon in a Polypeptide A Sterically Nonallowed Conformation The Helix and Pleated Sheet Conformationally allowable structures where backbone is optimally Hbonded (linear Hbonds). Helix (3.613 Helix): •3.6 residues/turn •Rise = 0.15 nm/ residue •13-atom hydrogenbonded loop Linus Pauling and Robert Corey‚ 1950 Pleated Sheet: •Anti-parallel or parallel •2.0 residues/”turn” •0.34 nm/residue (anti-parallel) or 0.32 nm/residue
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Through the works of the Athenian historian‚ Thucydides‚ a myriad of information is shared pertaining to not only to his own life‚ but to the society and culture of Ancient Greece as well. He was born around 460-455 BC and through his life he wrote one of the most in depth recordings of the Peloponnesian War entitled‚ History of the Peloponnesian War. Not only did Thucydides live within the wartime period‚ he also fought in this war as well as a military general. The efforts that Thucydides contributed
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Imagine how would it be if all of the sudden economy crashed and there is no back up plan. It would be my worst night mare. It has happened before in history during 1929 with the crash of The Wall Street‚ which marked the beginning of the depression. The great depression was on of the hardest time in American history. After the roaring twenties was the dirty thirties which started with the stock market crashed and marked the beginning of the Great Depression and consisted of Dust Bowl in South
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The Industrial Revolution‚ overshadowed the perception of craft as valuable with its machines and mass production. The advent of machines and capitalism drove out the need for the human hand in the manufacturing industry but technically skilled persons were still necessary to run the machines. The concept of division of labour was introduced as an innovative and efficient solution to manage multiple tasks simultaneously and as a way to increase productivity. Instead of depending on a small number
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challenged the church’s ideas. He claimed to have spiritual visions which inspired most of his vivid and imaginative works. His beliefs were expressed through his paintings and illuminated poem illustrations. His painting “Elohim Creating Adam” explains how William Blake expressed Biblical themes in an uncommon and radical way and showcases the dramatic and imaginative Romantic style. In “Elohim creating Adam‚” Blake depicts the line “The Lord God formed man of dust of the ground” from the Book of Genesis
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Terminal illness decision In this essay I have the subject of deciding whether or not people with a terminal illness should have the option to commit doctor assisted suicide. In my opinion yes and I will explain my reasoning in this essay. On CNN.com doctor assisted suicide is suicide only performed on a person with a terminal illness with 6 months or less to live. It is only legal in 5 states including Oragan‚ Vermont‚ Washington‚ California‚ and only in Montana via court decision. From Pbs.org
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Andrea R. ENG-101 Mrs. Onest Essay #5 31 July 2011 Gun Control and Mental Illness In the United States‚ our society is increasingly faced with situations that further enhance the idea that guns‚ particularly in the hands of the wrong people‚ are responsible for a great deal of harm. Aside from the problem of criminals obtaining guns we now are dealing with gun control and how it applies to the mentally ill. Many Americans pose an argument against gun control‚ claiming that their rights override
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Produced by cell clusters in the pancreas called the Islets of Langerhans‚ insulin is a hormone that regulates glucose concentration in the blood. It is a protein synthesised and stored by beta cells‚ which secrete it in surges responding to changes in glucose levels. (Hardin‚ Bertoni and Kleinsmith‚ 2012) Fig 1. The Pancreas and Insulin |Source: University of Maryland (2011) | | |
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Martin Luther was a very important figure in the reformation and in the translating of the Bible. According to Pettegree‚ Luther was a person who was very social and got along with everyone (3). He was a humble man and took no pride or expected no fame from his involvement with the reformation. Martin Luther did not expect fame to come with his work; however‚ he ended up becoming one of the most famous people in the Lutheran religion. In fact‚ Martin Luther is what the Lutheran religion is based
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Augustus made many positive and effective contributions during his reign. One of the many highlights was the Pax Romana which lasted for two centuries. The Pax Romana was the age when Romans had peace for over two hundred years. Augustus prevented the loss of many Romans by minimising expansions and battles which helped increase the population of Romans and their dominance. Another influence instigated by Augustus was the ‘honest’ tax system. “The reformed tax system was a great success which led
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