Quiz 3 - d unsaturated bonds in P-lipid tails e hydrophilic...

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Quiz 3 9-18-09 1. What kind of linkage forms between a carboxyl group and a hydroxyl group? a. glycosidic b. ester c. peptide d. phosphodiester 2. Which of these “R” groups would make an amino acid nonpolar? a. –H b. –CH 2 COOH c. –CH 2 CH 2 NH 2 d. –CH 2 OH 3. A protein composed of three separate strands of polypeptides joined in a cluster has a: a. 1 o structure b. 2 o structure c. 3 o structure d. 4 o structure 4. Which of these has the most energy content for a given amount? a. glucose b. starch c. glycogen d. triglycerides e. protein 5. A plasma membrane is held together primarily by: a. covalent bonds between the P-lipid layers b. hydrophobic interactions c. transmembrane proteins
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Unformatted text preview: d. unsaturated bonds in P-lipid tails e. hydrophilic interactions 6. An example of a transmembrane protein: a. microfilaments of the cytoskeleton b. collagen c. integrin d. fibronectin of the ECM e. glycolipid 7. Which element is missing in RNA? a. P b. C c. N d. S e. O 8. A polymers made of adjacent nucleotides are linked together by ___ linkages. a. hydrogen b. phosphodiester c. ester d. peptide True (“a”) or False (“b”) 9. C 12 H 22 O 12 is the formula for the disaccharide made from two glucose monomers. 10. The signature functional groups of a sugar molecule: carbonyl and hydroxyl KEY: 1b, 2a, 3d, 4d, 5b, 6c, 7d, 8b, 9b, 10a...
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This note was uploaded on 01/20/2010 for the course BIO 50415 taught by Professor Batterton during the Fall '09 term at University of Texas.

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