What is the coenzyme that facilitates the oxidation of fumarate?
Correct answer: A. FAD
- A. FAD
- B. FADH2
- C. NAD
- D. NADPH
Explanation
FAD (Flavin Adenine Dinucleotide) acts as a coenzyme in the oxidation of succinate to fumarate during the Krebs cycle. It is reduced to FADH in this process, which occurs in the mitochondrial matrix.
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About Bioenergetics
Cellular respiration explains how cells release energy from glucose through glycolysis, the link reaction, Krebs cycle and electron transport chain. It includes ATP production, substrate-level and oxidative phosphorylation, aerobic versus anaerobic respiration, and the roles of mitochondria, oxygen and fermentation in energy transfer.
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