7.1.1 Describe the structure of DNA‚ including the antiparallel strands‚ 3’-5’ linkages and hydrogen bonding between purines and pyrimidines. DNA is made up of two strands. At one end of each strand there is a phosphate group attached to the carbon atom number 5 of the deoxyribose (this indicates the 5’ terminal) and at the other end of each strand is a hydroxyl group attached to the carbon atom number 3 of the deoxyribose (this indicates the 3’ terminal). The strands run in opposite directions
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took up the quest of determining the three- dimensional structure of DNA‚ they believed that the DNA structure would be great importance. Watson and Crick accomplishment was in some measure built on the work of their contemporary DNA researchers. 1951 Rosalind Franklin x-ray crystallography of the DNA molecule without her know- ledge‚ for instance‚ was a vital step toward discovery. She began to capture pictures of DNA using x-ray diffraction. She also pre- sented her findings
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3.3 & 7.1 DNA Structure Worksheet 1. Draw and label the structure of a simplified single nucleotide‚ including sugar‚ phosphate and base. 2. Complete the table below to show the pairings of the bases in DNA: Purine | Pyrimidine | Adenine | Thymine | Guanine | Cytosine | 3. Where would one find the base uracil? RNA‚ it replaces thymine 4. In the space below‚ draw a single strand of three nucleotides‚ naming the bonds between them and showing the correct relative position
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INDIAN STANDARDS) As in the Original Standard‚ this Page is Intentionally Left Blank HANDBOOK ON CONCRETE MIXES (BASED ON INDIAN STANDARDS) BUREAU OF INDIAN STANDARDS MANAK BHAVAN‚ 9 BAHADUR SHAH ZAFAR MARC NEW DELHI 110002 SP 23 : 1982 FIRST FIRST PUBLISHED REPRINT MARCH JULY 1988 1990 1983 SECOND REPRINT DECEMBER THlRD REPRINTJANUARY19% FOURTH REPRINT FIFTH REPRINT MAY1997 MARCH 1999 (Incorporating Amendment No. I) @BUREAU OF INDIAN STANDARDS
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DNA‚ which stands for Deoxyribonucleic acid is a nucleic acid that contains the genetic instructions used in the development and functioning of all known living organisms. The main role of DNA molecules is the long-term storage of information. These nucleic acids consist of long chains if chemical units called nucleotides. Nucleic acids are information storage molecules that provide the directions for building proteins. Described by the DNA testing centre‚ Inc.‚ “DNA is found inside the chromosome
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Principles of Organising and Managing Student Number: 500188225 Due Date: 15th of March‚ 2010 Title: Explain how technology and environment might influence the structure of an organisation; support your answer with examples. Paragraphs: 25 Charles Perrow (1974) suggests that there are four types of technology that determines an organisation ’s most effective structure and success in the market. The following are the types of technology: Non-routine Technology are characterized
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ALTERATION OF THE MEMORANDUM A company’s memorandum of association may be altered in the manner provided by the Act but not otherwise. If there is no specific provision in the Act allowing the alteration of a particular clause in the memorandum‚ that clause is unalterable. A company may amend only the clauses that the Act prescribes for inclusion in the memorandum. Thus‚ it is permissible to change the company name‚ to convert from an unlimited company to a limited company and vice versa‚ to alter
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an average level toward an esthetic ideal. Tattoos‚ piercings and any other ornaments are applications that also take the human’s body as their final object. In his essay “The Body Jigsaw”‚ Philippe Liotard states that cosmetic surgery and body alterations stand at opposite sides. In the following‚ I’m going to take a position relatively to the above statement‚ before analyzing the situation in my home society‚ Lebanon. First of all‚ Liotard believes that body modifications are ways that one
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macromolecules that compose all life? BellworkIf your DNA is 23.5 % adenine. How much Guanine is there? Chapter 12- DNA Structure and Replication The Recipe Book Nucleic Acids- Function Nucleic acids function is storing‚ copying‚ and transmitting instructions for making proteins. DNA and RNA are nucleic acids!!! Monomer of Nucleic Acids- Nucleotides Think of DNA as a recipe book What is DNA and how does it work? DNA Storage DNA stores instructions for making proteins The total human
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Richard Shweder’s article about female genital mutilation‚ or alteration‚ explores the cultural perceptions and meanings behind this custom‚ which is practiced among many societies globally (Shweder). The modern number of women undergoing this coming-of-age ritual varies wildly between eighty and two hundred million (Shweder). Shweder’s research investigated the vastly large gap in the extreme perceptions of female circumcision from culture to culture‚ focusing on the lack of knowledge and understanding
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