NADH is oxidized during:
Correct answer: C. Lactic acid fermentation
- A. Glycolysis
- B. Krebs cycle
- C. Lactic acid fermentation
- D. Dark reactions
Explanation
During lactic acid fermentation, NADH is oxidized back to NAD⁺, which allows glycolysis to continue in the absence of oxygen.
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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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