BMB258 S04 T3 KEY

BMB258 S04 T3 KEY - NAME: _ (Please print) BMB 258 -...

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NAME: _____________________ (Please print) BMB – 258 - EXAMINATION III KEY April 29, 2004 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. Use of calculators is not permitted. THESE ARE STANDARD SINGLE ANSWER MULTIPLE CHOICE QUESTIONS. THE POSSIBLE ANSWERS ARE LABELED A, B, C, D AND E. SELECT THE SINGLE BEST ANSWER FOR QUESTIONS 1-24 AND FILL IN THE CORRESPONDING CIRCLE ON THE SCANTRON SHEET. PRINT YOUR NAME ON THIS PAGE AND ON EACH OF THE SHORT ANSWER / FILL-IN PAGES. 1. In which combination can neither carbohydrate be synthesized by both sexes? A. fructose + glucose B. galactose + glucose C. fructose + lactose D. lactose + sucrose E. sucrose + glucose 2. One of the following is not a glycoconjugate. Which one? A. glycoprotein B. proteoglycan C. lipoprotein D. glycolipid E. ganglioside 3. All carbohydrate polymers in humans are synthesized from, or via, one of the following. Which one? A. nucleoside diphosphate B. deoxynucleoside triphosphate C. nucleoside diphosphate sugar D. aminoacyl adenylate E. glycosyl-CoA 4. What are the relative states, active(A) or inactive (I), of the following liver enzymes when gluconeogenesis has been switched on by hormone action? Phosphofructokinase-1 Fructose 1,6-bisphosphatase A. A A B. I I C. I A D. A I Page 1 of 8
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5. Which pathway is not activated in starvation? A. glycogenesis B. proteolysis C. lipolysis D. gluconeogenesis 6. In which glycogen storage disease would you expect the structure of the glycogen to be abnormal? Absence of: A. glucose 6-phosphatase B. phosphorylase C. phosphorylase kinase D. debranching enzyme system 7. Addition of an uncoupling agent to intact mitochondria will result in which of the following effects? A. cessation of ATP synthesis B. generation of additional heat C. inhibition of the Krebs’ cycle D. A+B E. A+B+C 8. Of the following proteins involved in glycogen synthesis, which one is covalently bound to glycogen? A.
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This document was uploaded on 11/04/2011 for the course BMB 258 at University of Miami.

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BMB258 S04 T3 KEY - NAME: _ (Please print) BMB 258 -...

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