For each molecule of glucose, during glycolysis there is net production of
a. one molecule of NADH, and no ATP or FADH2.
b. one molecule of NADH, two molecules of ATP and no FADH2.
c. three molecules of NADH, one molecule of ATP and one molecule of FADH2.
d. six molecules of NADH, two molecules of ATP, and two molecules of FADH2.
e. no NADH, two molecules of ATP, and no FADH2.