Answer:
NADPH is produced from NADP+. The major source of NADPH in animals and other non-photosynthetic organisms is the pentose phosphate pathway (oxPPP), by Glucose-6-phosphate dehydrogenase (G6PDH) in the first step. The oxPPP pathway also produces pentose, another important part of NAD(P)H, from glucose.
Explanation:
