protein[1] - Devin Berry Protein Synthesis Purpose: The...

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Devin Berry Protein Synthesis Purpose: The purpose of this lab is to assemble a double helix of DNA in order to observe the parts necessary to have DNA. Introduction: All organic matter uses DNA( deoxyribonucleic acid) for their genetic makeup. The DNA transfers genetic information from one generation to another, which provides the blueprint for production of cells. This lab is to see what DNA is actually made up of. You can observe the parts of a DNA strand such as: a nucleotide( the combination of carbon, hydrogen, oxygen, nitrogen, and phosphorus) and ribose ( a five sugar carbon). DNA is made up of the four nitrogenous bases of Thymine, Guanine, Adenine and Cytosine. This lab also details how DNA turns to RNA and how Thymine turns to Uracil. Materials and equipment: Twenty-five (25) white phosphate tubes Eighteen (18) black deoxyribose sugars Eighteen (18) hydrogen bond connectors Nine (9) blue ribose Ten (10) red Guanine bases
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Ten (10) black Cytosine Eight (8) green Adenine Four (4) blue Thymine Four (4) white Uracil Three (3) tRNA connectors Three (3) black amino acid models Two (2) white rigid tubes One (1) blue ribosome Lab safety: The only hazard for this dry lab would be a result of not following directions. This is a complicated lab and if you do not follow the directions you will not be able to get a successful DNA structure. Procedure: What you need to do before starting the lab is to gather all of you materials. Now you need to take eight of the white flexible phosphate tubes and nine of the black deoxyribose sugar pieces and connect them in a straight chain so that they all face the same direction. Next, you take eight more phosphate tube and another nine deoxyribose sugars and connect them into a separate chain. At this point you should have two separate chains made of phosphates and deoxyribose sugars. These form your phosphate-sugar backbone.
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Now you have to complete the DNA molecule by attaching nitrogenous bases. DNA has four
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This note was uploaded on 04/28/2008 for the course BIOL 150 taught by Professor Billetz during the Fall '07 term at Massachusetts College of Liberal Arts.

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protein[1] - Devin Berry Protein Synthesis Purpose: The...

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