Question
How many ATP molecules are obtained from fermentation of 1 molecule of glucose
2
4
3
5
Solution
A.
2
The net energy gain in fermentation is 2 ATP molecules/glucose molecule. In both lactic acid and alcoholic fermentation, all the NADH produced in glycolysis is consumed in fermentation, so there is no net NADH production, and no NADH to enter the ETC and form more ATP.
