nucleic acids. Nucleotides consist of purine bases, adenine ad guanine and pyrimidine bases, cytosine, uracil, or thymine. (Wink, 2006). Deoxyribosenucleic acid is the cells master repository for genetic information. It is a negatively charged, macromolecule consisting of two strands of linked nucleotides, each of which are made up of a deoxyribose sugar residue, a phosphate group and one of bases; thymine, adenine, cytosine or guanine. (Voet and Voet, 2005). It is found coiled up around basic proteins
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"Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid" was an article published by Francis Crick and James D. Watson in the scientific journal Nature in its 171st volume on pages 737–738 . It was the first publication which described the discovery of the double helix structure of DNA. This article is often termed a "pearl" of science because it is brief and contains the answer to a fundamental mystery about living organisms. This mystery was the question of how it is possible
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TOK “Knowledge gives us a sense of who we are.” To what extent is this true in the Human Sciences and Ethics? Socrates once said, “To know, is to know that you know nothing. That is the meaning of true knowledge” [1]. In similar vein, Ralph Waldo Emerson once said, “Knowledge is knowing that we cannot know” [1]. A great Indian master, Nisargadatta Maharaj once quoted, “To know what you are, you must first investigate and know what you are not” [2]. What were Socrates, Emerson, Nisargadatta hinting
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Applied Modern Physics I X-ray diffraction / topography and spectroscopy, electron microscopy, materials science X-ray radiation is very high in energy E = h f (≈ 2 10-15 J = 1,25 104 eV so it’s the same energy an electron would have if it were accelerated by an electrical force going through a potential of 12,500 V) that’s why it penetrated skin and flesh easily, bones not quite so easily and have usage in medicine – is that the main usage??? Who was Conrad Wilhelm Röntgen, discoverer
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BSC 1020 - Biology of Humans EXAM 1 Study Guide Exam Instructions • Exam 1 is scheduled for Saturday, February 13, 2016 from 11:00am-12:15pm • It will be held on the Tampa campus, in CW Bill Young Hall (CWY), which is located on USF Maple Dr., across from the Social Science bldg. (SOC), and north of the gym/rec center (REC). Campus maps can be found at: http://www.usf.edu/administrative-services/parking/maps/index.aspx o Because there are 316 students, we’ll split the class between
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Cloning and expression of α-Amylase gene from Bacillus subtilis in Pichia pastoris and Escherichia coli. Introduction Enzyme is a type of catalyst that present in living organisms used for many biotechnological functions in various industrial processing. It has a special characteristic that allows the chemical reaction to speed up without being altered, thus significantly improve the industrial productivity (Roy et al. 2012). Among various enzymes available in market, α-amylase has received a special
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How to develop plants inside? Examination on testing the rate of development of a plant utilizing distinctive light situations inside. Our theory is whether we utilize a glaring light then the plant development would be higher in quality (tallness and fitness) on the grounds that it supplies better supplemental light and the plant has a superior shot of survival contrasted with the brilliant light. The plant that is developed underneath a bright light has a more risk of survival on the grounds that
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STUDY QUESTIONS CHAPTER 9-12 **NOTE: I have included the answers to the study questions since I am posting them so close to the exam dates. Be sure you understand the role of the hormones ADH, renin, angiotensin and aldosterone in the regulation of fluid balance. CHAPTER 9 1. Describe how body fat develops and suggest some reasons why it is difficult for an obese person to maintain weight loss. Body fat develops when fat cells increase in number and size. Prevention of excess
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stored as chemical energy in ATP (Adenosine Triphosphate) molecules. Hydrolysis of ATP to its more stable products, ADP and Pi, releases this chemical energy (equivalent to 30.5kJ/mol) which can be used for cellular processes. While a number of macromolecules can produce energy in the form of ATP, the body utilises carbohydrates and lipids (stored as triglycerides) its main
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The World of the Cell Seventh Edition Wayne M. Becker Lewis J. Kleinsmith Jeff Hardin Gregory Paul Bertoni Chapter 1 A Preview of the Cell Copyright © 2009 Pearson Education, Inc.. Chapter 1--Cell The basic structural and functional unit of living organisms The smallest structure capable of performing the essential functions characteristic of life The study of cells •Began with the invention of microscopes in the 17th century •Using a microscope to look at cork, Robert Hooke described
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