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Unformatted text preview: a. carboxylic acid group. b. amino group. c. hydrophobic group. d. hydroxyl group. 6. (3 points) The two strands of DNA in the double helix are held together by a. covalent bonds. b. van der Waals forces. c. salt bridges. d. hydrogen bonds. CH385 Introduction to Cell Biology Name _________________________ Quiz #2 (30 points) AY 2007-2 8. (6 pts) Given the following observations and facts make a hypothesis. Carbon dioxide dissolves readily in water. The pH of water decreases as carbon dioxide dissolves. All microorganisms have a certain pH range that above or below they can not live. What is likely to occur if carbon dioxide is added to the water in which the bacteria are living? Extra credit (3 points) What is one difference between the membrane lipids of Bacteria and Archaea? There are ether linkages to glycerol. The long carbon chain is not from a fatty acid....
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This test prep was uploaded on 04/15/2008 for the course CH 385 taught by Professor Labare during the Fall '08 term at West Point.
- Fall '08