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AP Biolo

Cellular Respiration

QuestionAnswer
Which concerning the metabolic degradation of glucose (C6H12O6) to carbon dioxide (CO2) and water is true? e. A, B, and C are correct.
Which process in eukaryotic cells will proceed normally whether oxygen (O2) is present or absent? glycolysis
d. The end products of glycolysis are CO2 and H2O.----True or False? false
2 ATP----> 2 ADP involves an exergonic or endergonic reaction? endergonic
Substrate-level phosphorylation accounts for approximately what percentage of the ATP formed during glycolysis? 100%
During glycolysis, when glucose is catabolized to pyruvate, most of the energy of glucose is retained in the pyruvate
Starting with one molecule of glucose, the "net" products of glycolysis are?? 2 NADH, 2 H+, 2 pyruvate, 2 ATP, and 2 H2O.
Glycolysis and fermentation occur in the __________ of the cell. cytosol
Which metabolic pathway is common to both cellular respiration and fermentation? glycolysis
How many molecules of carbon dioxide (CO2) would be produced by five turns of the citric acid cycle? 10
How many reduced dinucleotides would be produced with four turns of the citric acid cycle? 4 FADH2 and 12 NADH
Cellular respiration harvests the most chemical energy from _____________ ___________? chemiosmotic phosphorylation
Inside an active mitochondrion, most electrons follow which pathway? citric acid cycle --> NADH ---> electron transport chain--- > oxygen
During oxidative phosphorylation, H2O is formed. Where does the oxygen for the synthesis of the water come from? molecular oxygen(02)
Which metabolic process is most closely associated with intracellular membranes? oxidative phosphorylation
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
Each time a molecule of glucose (C6H12O6) is completely oxidized via aerobic respiration, how many oxygen molecules (O2). are required? 6
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.
Created by: rungurl24
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