Quiz 2 Key 2008

Quiz 2 Key 2008 - ) B. Bilayer G. Phosphatidyl choline C....

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Name ________________________________ Student #______________________ BCHM 2024 Quiz # 2, March 12, 2008 1. Which of the following fatty acids has the highest melting point? A. Palmitate (16:0) D. Linoleate (18:2, 9, 12 ) B. Stearate (18:0) E. Linolenate (18:3, 9, 12, 15 ) C. Oleate (18:1, 9 ) 2. Most naturally occurring and abundant unsaturated fatty acids are characterized by all but which one of the following structural features? A. A single carboxyl (-COOH) group C. Presence of trans double bonds B. Even numbers of carbon atoms D. Lack of conjugated double bonds 3. Allosterically regulated enzymes display all but which one of the following properties? A. Quarternary structure B. Standard Michaelis-Menten kinetic properties C. Non-hyperbolic velocity versus substrate concentration curves D. Relaxed (R) and tense (T or taut) forms Use the following choices to answer questions 4 through 9 A. Micelle F. Arachidonate (20:4, 5, 8, 11, 14
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Unformatted text preview: ) B. Bilayer G. Phosphatidyl choline C. Triacylglycerol H. Oleate (18:1, ∆ 9 ) D. Sphingomyelin I. Palmitate (16:0) E. Cholesterol 4. Prostaglandins and other eicosanoids are made from which fatty acid? F 5. Which compound is a major membrane phospholipid with a glycerol backbone? G 6. Which compound is a major animal membrane phospholipid with an amide-linked fatty acid? D 7. Which compound is the precursor for steroid hormones? E 8. Fatty acids for energy are stored primarily in what compound? C 9. In biological membranes, lipids are assembled into what form? B 10. Proteins that span through the lipid layers of membranes are called: A. Peripheral C. Fibrous B. Integral D. Lipid-anchored 11. Enzymes that transfer phosphate from ATP to the side chain hydroxyl group of Ser, Thr, or Tyr are called? A. Proteases C. Kinases B. Phosphatases D. Lipases 12. Enzymes that remove phosphates from Ser, Thr, or Tyr hydroxyl groups are called: Use question # 11 choices. B...
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This note was uploaded on 05/06/2008 for the course BCHM 2024 taught by Professor Keenan during the Spring '08 term at Virginia Tech.

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