Metabolism Problem Set
Problem 13: Storing Usable Energy
As a result of glycolysis, pyruvate oxidation and the citric acid cycle, only a small portion of the energy of glucose has been converted to ATP. At this point, the majority of the usable energy is contained in:
A. oxidized electron carriers NAD+ and FAD
B. carbon dioxide
C. pyruvate
D. acetyl coenzyme A
E.
reduced electron carriers NADH and FADH2
Oxidative phosphorylation produces the majority of the energy generated in the cell. The combination of glycolysis and the citric acid cycle alone yield only 4 ATP. The majority of the energy is stored in the electron carriers NADH and FADH2.
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