homework_11_answers - Grodin, Micah Homework 11 Due: Apr 25...

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Unformatted text preview: Grodin, Micah Homework 11 Due: Apr 25 2006, 11:00 pm Inst: Sara Sutcliffe 1 This print-out should have 15 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. The due time is Central time. 001 (part 1 of 1) 10 points What is a natural antioxidant? 1. BHT 2. BHA 3. vitamin K 4. vitamin E correct Explanation: 002 (part 1 of 1) 10 points The bonds that hold the nucleotides of a DNA chain together are 1. dipolar. 2. ionic. 3. covalent. correct 4. van der Waals. 5. hydrogen bonds. Explanation: 003 (part 1 of 1) 10 points What is NOT a component of a nucleotide? 1. ribose 2. guanine 3. histadine correct 4. adenine 5. phosphoric acid Explanation: 004 (part 1 of 1) 10 points Which of these structures is thymine? 1. O H 2 N N N H N N H 2. O O N H N H 3. N N H O NH 2 4. NH 2 N N N N H 5. N N H CH 3 O O N H correct Explanation: 005 (part 1 of 1) 10 points The helix results from the pairing of specific bases by hydrogen bonding....
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This homework help was uploaded on 04/07/2008 for the course CH 304k/305k taught by Professor Sutcliffe during the Fall '05 term at University of Texas at Austin.

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homework_11_answers - Grodin, Micah Homework 11 Due: Apr 25...

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