Cellular Respiration
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| Which concerning the metabolic degradation of glucose (C6H12O6) to carbon dioxide (CO2) and water is true? | e. A, B, and C are correct.
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| Which process in eukaryotic cells will proceed normally whether oxygen (O2) is present or absent? | glycolysis
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| d. The end products of glycolysis are CO2 and H2O.----True or False? | false
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| 2 ATP----> 2 ADP involves an exergonic or endergonic reaction? | endergonic
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| Substrate-level phosphorylation accounts for approximately what percentage of the ATP formed during glycolysis? | 100%
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| During glycolysis, when glucose is catabolized to pyruvate, most of the energy of glucose is | retained in the pyruvate
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| Starting with one molecule of glucose, the "net" products of glycolysis are?? | 2 NADH, 2 H+, 2 pyruvate, 2 ATP, and 2 H2O.
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| Glycolysis and fermentation occur in the __________ of the cell. | cytosol
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| Which metabolic pathway is common to both cellular respiration and fermentation? | glycolysis
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| How many molecules of carbon dioxide (CO2) would be produced by five turns of the citric acid cycle? | 10
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| How many reduced dinucleotides would be produced with four turns of the citric acid cycle? | 4 FADH2 and 12 NADH
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| Cellular respiration harvests the most chemical energy from _____________ ___________? | chemiosmotic phosphorylation
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| Inside an active mitochondrion, most electrons follow which pathway? | citric acid cycle --> NADH ---> electron transport chain--- > oxygen
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| During oxidative phosphorylation, H2O is formed. Where does the oxygen for the synthesis of the water come from? | molecular oxygen(02)
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| Which metabolic process is most closely associated with intracellular membranes? | oxidative phosphorylation
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| When hydrogen ions are pumped from the mitochondrial matrix across the inner membrane and into the intermembrane space, the result is the | creation of a proton gradient
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| Each time a molecule of glucose (C6H12O6) is completely oxidized via aerobic respiration, how many oxygen molecules (O2). are required? | 6
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| Phosphofructokinase is an allosteric enzyme that catalyzes the conversion of fructose-6-phosphate to fructose-1,6-bisphosphate, an early step of glycolysis. In the presence of oxygen, an increase in the amount ATP in a cell would be expected to | inhibit the enzyme and thus slow the rates of glycolysis and the citric acid cycle.
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