During aerobic respiration, the chemical substance that enters the mitochondrion to start Krebs cycle is:
Correct answer: C. Acetic acid
- A. Pyruvic acid
- B. Acetyl CO-A
- C. Acetic acid
- D. Citric acid
Explanation
Acetic acid on entering the mitochondrion unites with Coenzyme A to form acetyl Co-A.
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