Kreb's cycle occurs in _________ conditions?
Correct answer: B. Aerobic
- A. Anaerobic
- B. Aerobic
- C. Microaerophilic
- D. Aerobic and anaerobic
Explanation
The citric acid cycle is considered aerobic because it depends on oxygen indirectly through the electron transport chain, which reoxidizes NADH and FADH2. Without this reoxidation, the cycle cannot continue for long.
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