BMB 401-506 Fall 2007 Exam 2form1

BMB 401-506 Fall 2007 Exam 2form1 - I(Name have neither...

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I, (Name) _________________________________________ have neither received nor given help BMB 401/506-Fall 2007 Examination II October 9, 2007 During this exam you should not be in possession of any electronic equipment (beeper, calculator , cellular phone, earphone, etc.), books and papers, other than the test. Please place all these materials in your book bag (after you turn them off!!) and place the bag against the wall of the room. THESE ARE STANDARD 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) and seat number. There are 33 questions. You will receive full credit for 31 correct answers. 1. Which ONE of the following metabolic conversions is considered to be the key control point of glycolysis? A. Fructose-1,6 bisphosphate → dihydroxyacetone phosphate + glyceraldehyde-3-phosphate B. Glucose → glucose-6-phosphate C. 2-Phosphoglycerate → Lactate D. Fructose-6-phosphate → fructose 1,6 bisphosphate 2. Of the combination of enzymes given below, select the pair that provides a link between glycolysis and the Krebs cycle and permits direct transfer of electrons gathered as FADH 2 during acetyl CoA oxidation to the electron transport chain A. Pyruvate dehydrogenase and pyruvate carboxylase B. Pyruvate dehydrogenase and citrate synthase C. Pyruvate dehydrogenase and succinate dehydrogenase D. Succinate dehydrogenase and isocitrate dehydrogenase E. Pyruvate dehydrogenase and malate dehydrogenase 3. In eukaryotes, the enzymes that catalyze the reactions of glycolysis are located in: A. Nucleus B. Endoplasmic reticulum C. Cytosol D. Mitochondria E. Mitochondria and cytosol 4. Complex I of the electron transport chain is comprised of: A. Cytochrome oxidase B. Electron transferase C. Malate dehydrogenase D. NADH:ubiquinone oxidoreductase E. None of the above 5. Insulin promotes glycogen synthesis by: A. Inactivating glycogen phosphorylase B. Activating glycogen synthase C. Neither A nor B D. Both A and B are correct mechanisms 6. During glycolysis, the steps between glucose and formation of the triosebisphosphates A. Consume 2 ATP and 2 NADH molecules B. Consume 2 ATP molecules C. Produce 2 ADP and two NAD + molecules D. Produce 2 ATP and 2 NADH molecules
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This note was uploaded on 02/10/2012 for the course BMB 401 taught by Professor Staff during the Fall '09 term at University of Miami.

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BMB 401-506 Fall 2007 Exam 2form1 - I(Name have neither...

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