Enzymes (pron.: /ˈɛnzaɪmz/) are large biological molecules responsible for the thousands of chemical interconversions that sustain life.[1][2] They are highly selective catalysts‚ greatly accelerating both the rate and specificity of metabolic reactions‚ from the digestion of food to the synthesis of DNA. Most enzymes are proteins‚ although some catalytic RNA molecules have been identified. Enzymes adopt a specific three-dimensional structure‚ and may employ organic (e.g. biotin) and inorganic (e
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bombs and hydrogen bombs. The hydrogen bomb is the most powerful‚ destructive bomb of all. In this essay I’m going to give a brief history of the hydrogen bomb‚ the chemistry behind the bomb‚ and how much destruction the hydrogen bomb can do. After the Soviet Union’s atomic bomb success during the cold war‚ the U.S wanted something bigger and stronger. In 1950‚ President Harry S. Truman announced work on the hydrogen bomb. A group of scientists led by Edward Teller created the first hydrogen bomb in
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9 August 2012 “You have rejected the best earth could offer:” …and it was worth it The short stories “The Birth-mark” and “The Artist of the Beautiful‚” both written by Nathaniel Hawthorne in 1846‚ demonstrate and attempt to symbolize the boundaries of beauty in society. In “The Birth-mark‚” the young and exquisite Georgiana has simply one imperfection‚ a red hand-shaped birth-mark on her cheek‚ which her husband‚ a prominent chemist by the name Aylmer desires to have removed. In “The Artist of
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Animal experiments have been used to develop new medicines and to test the safety of many other products. Some people think that these experiments should be banned‚ while others argue that they provide benefits for humans. Discuss both these views and give your own opinion. The animal experiments make a big difference in the medical development to a large extent. However‚ some people believe that animal experiments are cruel and should be prohibited. In this essay‚ I will examine both ideas
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How to Plant & Grow Moringa The Moringa is a fast growing tree that can reach up to 3 meters in its first year. Moringa is an ideal plant to grow in your own backyard. Get a little Moringa in your diet‚ you can grow your own multivitamin! The Moringa tree grows to about 10 tall‚ with drooping branches. It thrives in subtropical and tropical climates‚ giving fruit and flowers continually. However Moringa grows best in dry‚ sandy soil. This makes it an ideal tree to grow in semi-desert conditions
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Determining whether a person should be punished for his actions shouldn’t be determined by a person’s genetic sequence. In the article‚ “Do You Have Free Will? Yes‚ It’s the Only Choice”‚ John Tierney addresses the different perspectives of whether free will exists. Essentially‚ free will is the ability to act without constraint; however‚ Tierney asserts that there’s a controversy between whether or not a person has free will. He states that a determinist‚ including “psychologist and neuroscientists”
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2011-2131 Police Officer: Career Would you like to uphold the law and protect citizens and property as a police officer? With education and training‚ you may become qualified to go on patrol‚ respond to reports of crime and even stop crimes in progress. Read on for details on the occupation‚ outlook and educational requirements of police officers. What do Police Officers do If you’re interested in becoming a police officer‚ among the things you’ll learn is how to identify and arrest individuals who
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Do Animals Have Rights? Should animals be harmed to benefit mankind? This pressing question has been around for at least the past two centuries. During the early nineteenth century‚ animal experiments emerged as an important method of science and‚ in fact‚ marked the birth of experimental physiology and neuroscience as we currently know it. There were‚ however‚ guidelines that existed even back then which restricted the conditions of experimentation. These early rules protected the animals
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Enzyme Reaction to Variable Elizabeth Alvidrez University of Texas at El Paso Abstract: An enzyme is a protein that serves as a biological catalyst (Denniston‚ 2007). Metabolic reactions happen with in cells. Enzymes are proteins that are used to speed up these reactions without being consumed by them (Mader‚ 2010). Catalase is a catalyst that digests potent hydrogen peroxide and converts it into H2O and O (Campbell Reese‚ 2008). The environment plays an important role
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Should animals be accorded greater moral consideration than plants? Justify your answer. In this essay‚ I will explain why I feel that some‚ but not all‚ animals should be accorded greater moral consideration than plants from the perspective of hedonism. I will first define the parameters of moral consideration‚ and then explain why I feel that some animals should be accorded more moral consideration than other animals and all plants. In order to understand what moral consideration is‚ we should
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