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- Indicate whether the statement is true for aerobic respiration, photosynthesis or both: NADH is oxidized to NAD+ at complex I a)Aerobic Respiration b)Photosynthesis c)BothWhich of the following statements is TRUE of the electron transport chain (ETC)? A. The movement of electrons down the ETC drives the formation of a proton (H+) gradient. B. The movement of H+ ions through ATP synthase drives the transfer of electrons down the ETC. C. The movement of electrons down the ETC drives the movement of ADP and phosphate through ATP synthase. D. The movement of H+ ions across the inner membrane of the mitochondria drives the transfer of electrons down the ETC.Identify a metabolic pathway associated with the enzymes localized on the mitochondrial cristae. a. the citric acid cycle b. the electron transport chain c. the citric acid cycle and the electron transport chain d. none of these
- Which feature of anaerobic and aerobic respiration is different? Select one: a.Use of electron transport system b.Use of the Electron Donor c.Use of proton motive force d.None of the Above e.Use of the Electron AcceptorWhich of the following reactions is the most exergonic? a Conversion of PEP to Pyruvate b Conversion of Glucose-6-phosphate to Glucose c All of the reactions are equally exergonic. d Hydrolysis of ATPwhich of the following woudl decrease the number of atp molecules generated per nadh molecule in the electron transport chain? a. increasing the energy of the electrons nadh transfer to complex I b. reducing the number of protons required by ATP synthase to produce an ATP moelcule c. having nadh transfer its elections to complex III instead of complex I d. increasing the amount of oxygen available to the cell
- Which of the following is true of the ATP Synthase in the mitochondria? a It is an enzyme. b It can catalyze either phosphorylation of ADP or dephosphorylation of ATP. c It is a proton transporter. d All of the aboveWhich electron carrier would have the greatest negative impact on ATP production during oxidative phosphorylation if its production was inhibited? answer choices A.) Water B.) FADH2 C.) Oxygen D.) NADHA cell in an active catabolic steady state state needs to maintain A. a high cytosolic (ATP/ADP) and a high cytosolic (NADH/NAD+) ratio. B. a high cytosolic (ATP/ADP) and a low cytosolic (NADH/NAD+) ratio. C. a low cytosolic (ATP/ADP) and a low cytosolic (NADH/NAD+) ratio. D. a low cytosolic (ATP/ADP) and a high cytosolic (NADH/NAD+) ratio.
- Oligomycin is a substance that prevents the ATP synthesis reaction in oxidative phosphorylation, and 2,4-dinitrophenol is an uncoupling agent. In the presence of oligomycin, what would be the effect of adding 2,4-dinitrophenol? A) O2 consumption will increase. B) Electron transfer will be blocked. C) Oxidative phosphorylation will occur. D) Production of water will decrease.Explain how NADH carry electrons by explaining what a hydride is. Which metabolites can potentially accumulate when complex I of the electron transport chain is defective? Do you think NAD therapy will help with hangovers? Explain.In aerobic respiration when is carbon dioxide produced? (a) when oxygen is used as the final electron acceptor in oxidative phosphorylation (b) glycolysis (c) during substrate level phosphorylation (d) Krebs cycle (e) when hydrogen is pumped across the inner membrane of the mitochondria