Multiple choice

Net gain of ATP in prokaryotes when a molecule of glucose is oxidized is:

  1. 40

  2. 38

  3. 36

  4. 34

  5. 20
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A total of 38 ATP are produced when one glucose molecule is oxidised. Glycolysis gives 8 ATP. One pyruvate on entering TCA gives 15 ATP. As two pyruvate are formed in glycolysis, 30 ATP will be produced from these two. This gives a total of 38 ATP.

Keep practicing — related questions