NEETBotanyRespiration in Plants
What is the net gain of ATP molecules produced during the complete glycolysis of 50 molecules of glucose?
Options
- A200
- B50
- C100
- D25
Correct answer
C. 100
Step-by-step solution
During glycolysis, the partial oxidation of one molecule of glucose results in a net gain of 2 ATP molecules. Therefore, the complete glycolysis of 50 molecules of glucose will yield a net gain of 50 2 = 100 ATP molecules. A common mistake is to calculate the gross production of ATP ( 4 per glucose, yielding 200 ), but the net gain accounts for the 2 ATP consumed in the preparatory phase. Answer: 100