Question

How many ATP molecules could maximally be generated from one molecule of glucose if the complete oxidation of one mole of glucose to $C{O}_2$ and $H_{2}O$ yields 686 kcal and the useful chemical energy available in the high energy phosphate bonds of one mole of ATP is 12 kcal?

• A. Fifty-seven
• B. One
• C. Two
• D. Thirty

Answer 1

The correct option is A Fifty-seven

Complete oxidation of one mole of glucose yields = 686 kcal.
Chemical energy available in high energy phosphate bonds of one mole of ATP = 12 ATP
ATP molecules maximally generated from one molecule of glucose = 686/12 = 57 ATP molecules.