Lecture 6 Practice Problemskey

Lecture 6 Practice Problemskey - Lecture 6 Practice...

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Lecture 6 Practice Problems 1. Oxidation and reduction a. entail the gain or loss of proteins. b. are defined as the loss of electrons. c. are both endergonic reactions. d. always occur together. e. proceed only under aerobic conditions. 2.. Which statement about pyruvate is not true? a. It is the end product of glycolysis. b. It becomes reduced during fermentation. c. It is a precursor of acetyl CoA. d. It is a protein. e. It contains three carbon atoms. e. takes place in the mitochondrion. 3. Compared with fermentation, the aerobic pathways of glucose metabolism produce a. more ATP. b. pyruvate. c. fewer protons for pumping in the mitochondria. d. less CO 2 . e. more oxidized coenzymes. 4. The end products of glycolysis are a. pyruvate. b. pyruvate, ATP, and NAD + . c. acetylCoA, ATP, and NAD + . d. pyruvate, ATP, and NADH. e. acetylCoA, ATP, and NADH. 5. In the complete oxidation of glucose, 6 CO 2 molecules are formed per glucose oxidized. Choose from the list below the correct numbers of CO 2 molecules released by glycolysis (gly), the citric acid cycle (CAC), and pyruvate oxidation (pyr). a. gly 1; CAC 3; pyr 2
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This note was uploaded on 02/09/2012 for the course BIOLOGY 102 taught by Professor Anderson during the Spring '11 term at Harvard.

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Lecture 6 Practice Problemskey - Lecture 6 Practice...

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