Q. Which of the following is not an intermediate of Krebs cycle :
- Acetyl CoA
- Citric acid
- Succinic acid
- Lactic acid
Solution :
Correct option : D Lactic acid is never a part of citric acid cycle. Acetyl CoA, citric acid and succinic acid are part of citric acid cycle. Lactic acid is produced in anaerobic respiration in muscles.