F08-homework_10

F08-homework_10 - 9 Give the overall reaction for the Krebs...

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BCH 361 Homework #10 Name: 1. How many of each type of molecule are produced during glycolysis PER MOLECULE of glucose? a. ATP (net production) b. Pyruvate c. NADH d. Water 2. Describe the process of NAD + reduction during glycolysis. Mention the number of electrons and protons (per molecule of NAD + ), their source and destination. 3. What role does reduction of NAD + play during glycolysis? 4. How might the problem of energy requirements in endergonic reactions be overcome in biochemistry? Give one example from the glycolytic process. 5. Name the 5 MAIN types of reactions seen during glycolysis, and give an example of each. 6. Why is α -D-glucose phosphorylated in the very first step of glycolysis, and what is the name of the enzyme that mediates this process? 1
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7. What is an ‘allosteric effector’? Give an example of one in the glycolytic process, and briefly describe how it acts. 8. Where within the cell do glycolysis and the Krebs (TCA, or citric acid) cycle take place?
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Unformatted text preview: 9. Give the overall reaction for the Krebs cycle, including the substrate, any nucleotides and nucleosides, and other participants. 10. Give the chemical equation for the aerobic oxidation of glucose. Why is there a difference in the number of Carbon atoms between the product s of glycolysis versus the products of the Krebs cycle? (Hint: look at the substrate of each process.) 11. What are the energetic requirements of the cells in a resting and in a highly active metabolic state, in terms of their ATP/ADP and NADH/NAD + ratios? 12. What are the reactants and products of the step catalyzed by the α-ketoglutarate dehydrogenase complex? What is the oxidizing agent in this reaction? 13. How many of each type of molecule are produced during the TCA cycle PER MOLECULE of pyruvate? a. GTP b. NADH c. FADH 2 d. CO 2 2...
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This note was uploaded on 09/30/2011 for the course BCH 361 taught by Professor Fromme during the Fall '08 term at ASU.

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F08-homework_10 - 9 Give the overall reaction for the Krebs...

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