Biochemistry In mature erythrocytes, the pentose phosphate pathway is impoant as a source of: A Pentose phosphates B NADH to maintain heme iron in the ferrous form C For generation of energy in the form of ATP D NADPH to maintain glutathione in the reduced form 💡 Explanation In mature erythrocytes, the pentose phosphate pathway is impoant as a source of: ✓ Correct Answer: D. NADPH to maintain glutathione in the reduced form