BMB401 F03 T2 - I(Name have neither received nor given help...

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I, (Name) _________________________________________ have neither received nor given help BMB 401/506 – Fall 2003 Second Examination October 14, 2003 During this exam you should not be in possession of a beeper or a cellular phone. Please place your beeper or cellular phone in your book bag (after you turn it off!!) and place the bag against the wall of the room. You can only use calculators that do not have memory capabilities for alphabetic characters. Other calculators should also be placed in your bag. THESE ARE STANDARD SINGLE ANSWER MULTIPLE CHOICE QUESTIONS. THE POSSIBLE ANSWERS ARE LABELED A, B, C, D AND E. SELECT THE SINGLE BEST ANSWER AND MARK THE APPROPRIATE CIRCLE ON THE SCANTRON ANSWER SHEET. Bubble in your name and ID# (C# please). There are 33 questions. You will receive full credit for 31 correct answers. 1. Which one of the following statements is NOT characteristic of catabolic reactions? A. They serve to generate energy B. They often produce NADH or FADH 2 C. They are divergent processes in which a few precursors form a wide variety of polymeric products D. They often involve hydrolysis of macromolecules 2. The synthesis of glucose from pyruvate by gluconeogenesis: A. Occurs exclusively in the cytosol B. Is inhibited by an elevated level of glucagon C. Requires participation of biotin D. Involves lactate as an intermediate E. Requires the oxidation/reduction of FAD 3. Which ONE of the following statements concerning gluconeogenesis is correct? A. It occurs in muscle B. It is stimulated by fructose 2,6 bisphosphate C. It is inhibited by increased levels of acetyl CoA D. It is important in maintaining blood glucose levels during the normal overnight fast E. It uses carbon skeleton provided by degradation of fatty acids 4. Which ONE of the following compounds cannot give rise to the net synthesis of glucose in humans? A. Lactate B. Alanine C. Acetyl CoA D. Oxaloacetate E. Glycerol 5. How many ATPs are produced in the conversion of one mole of phosphoenolpyruvate to citrate? (While calculating, include ATP formed from the oxidative phosphorylation of reduced coenzymes). Assume that oxaloacetate is readily available. A.
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This document was uploaded on 11/04/2011 for the course BMB 401 at University of Miami.

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BMB401 F03 T2 - I(Name have neither received nor given help...

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