The net gain of ATP molecules after the breakdown of one glucose molecule in glycolysis is
A)1
B)2
C)3
D)4

Question

Quizplus · Accepted Answer

The net gain of ATP molecules after the breakdown of one glucose molecule in glycolysis is 2. This is because two ATP molecules are used in the beginning of glycolysis to activate glucose, but four ATP molecules are produced during later steps of glycolysis. Thus, the net gain is two ATP molecules.

The Net Gain of ATP Molecules After the Breakdown of One