CHEM 1516 Practice Exam 3 (#2)

CHEM 1516 Practice Exam 3 (#2) - Biochemistry II CH1516 Dr....

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Biochemistry II CH1516 Dr. Bert Silverman posted to Blackboard Exam 3 Please Write Your Name Here:__________________________________________ PLEASE READ THESE DIRECTIONS ! Bubble in the VERSION (A,B,C or D) on your Scantron. Write the Exam Number (Upper right hand corner of exam) on your Scantron. Check the last page for questions. There are 42 Questions: 40 = 100%. Choose the BEST answer for each question. Please read each question carefully and accurately. Take your time and good luck! 1. Substrate-level phosphorylation produces : A) a very small fraction of our ATP. B) glucose-6 phosphate to maintain homeostasis. C) high levels of anxiety in most students. D) most of our ATP. 2. Which enzyme produces alphaKetoGlutarate ? A) malate dehydrogenase B) isocitrate dehydrogenase C) alphaKetoGlutarate dehydrogenase D) citrate synthase 3. The Mitochondria Matrix contains : A) the enzymes for Glycolysis. B) the Cytochromes. C) the OxPhos enzymes and the Electron Transfer Chain. D) the TCA Cycle enzymes. 4. How many carbons are burned (oxidized to CO2) in one "turn" of the TCA cycle? A) 4 B) 6 C) 2 D) 1 Page 1
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5. Where does OxPhos take place ? A) in the intermembrane space of the mitochondrion B) on the outer mitochondrial membrane C) in the mitochondrial matrix D) on the inner mitochondrial membrane 6. OAA and other intermediates in the TCA Cycle : A) vary in the amounts which are present in most cells. B) are present in large amounts in a typical cell. C) are present only at trace levels, small amounts, in a typical cell. D) all of the above; but that can't be right, so don't choose this answer. 7. Which molecule is a Tricarboxylic Acid ? A) citric acid B) OAA C) alphaKetoGlutarate D) a what ???? 8. Which membrane in the mitochondria is freely permeable to most molecules? A)
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This note was uploaded on 11/21/2011 for the course CHEM 1516 taught by Professor Bertsilverman during the Fall '10 term at Life Chiropractic College West.

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CHEM 1516 Practice Exam 3 (#2) - Biochemistry II CH1516 Dr....

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