ATP is produced in some of the steps of the glycolytic pathway. For the reactions shown, which produce ATP?
a. Phosphoenolpyruvate → pyruvate
b. 1,3-biphosphoglycerate → 3-phosphoglycerate
c. glyceraldehyde 3-phosphate → 1,3-bisphosphoglycerate
d. Phosphoenolpyruvate → glyceraldehyde 3-phosphate