Question

8. What is the main function of the coenzymes NAD+ and FAD? a. To form water b. To act as enzymes by removing hydrogen atoms from substrate c. To transport hydrogen atoms to the electron transport chain. 9. During the oxidation of glucose, what happens to the carbons as they are removed from glucose? a. They produce water b. They bond to NAD+ c. They form CO2 d. They form Coenzyme A 10. What happens during the Kreb Cycle? a. 3 molecules of NAD and one molecule of FAD are reduced per cycle b. 1 ATP is produced at the substrate level per cycle c. Carbon is removed from substrates of the Kreb Cycle as Carbon dioxide and expired by the lungs. d. All of the above 11. Which of the following is FALSE? a. Members of the electron transport chain are activated by electrons, turning them into proton pumps. b. Protons and ATP are transported out of the mitochondria and into the cytoplasm by a proton-ATP exchanger c. The diffusion of protons through Respiratory Assemblies activates ATP synthase. d. The splitting of ATP activates members of the electron transport chain, turning them into pumps. 12. During the oxidation of glucose, the greatest amount of ATP is produced: a. At the substrate level b. By oxidative phosphorylation (Electron Transport Chain) 13. Which of the following is FALSE about anaerobic respiration of glucose? a. It results in the production of lactic acid b. It occurs in muscles involved in high intensity exercise for the rapid production of ATP c. It results in the production of 2 molecules of ATP at the substrate level. d. It occurs in all cells at the same time

Answer 1

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