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[BSC 219] - Midterm Exam Guide - Ultimate 37 pages long Study Guide!
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37 Pages
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Department
Biological Sciences
Course Code
BSC 219
Professor
mortimer

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Description
[BSC 219] Comprehensive Midterm Exam guide including any lecture notes, textbook notes and exam guides.find more resources at oneclass.com Tuesday, January 17, 2017 DNA Structure (DNA, Chromosome structure and Replication) Cell Structure - DNA located in nucleus - RNA located in cytoplasm of ribosome and in nucleus - Proteins found all over the cell Structure of DNA - DNA is made of: - 1. Four nitrogenous bases: adenine, guanine, cytosine and thymine - 2. 5-carbon sugar groups - 3. Phosphate back bone Nitrogenous Bases - Ring numbering pyrimidines --> start with Nitrogen at the bottom then count counterclockwise - Pyrimidines: have one ring (Cytosine and Thymine) - Purines: have two rings (adenine and Guanine) - Ring numbering purines --> start with nitrogen on the top right and count clockwise for the bid ring • Then start with top N of the small ring and count counterclockwise 5-Carbon Sugars - DNA contains the 5-carbon sugar deoxyribose (aka 2-deoxyribose) - Each carbon is assigned a number (1' to 5') 1 find more resources at oneclass.com
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