This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
Which of the following is false about NADPH? 
Select and explain. 
A. Produces ATP in RBCs, B. Glucose-6-phosphate dehydrogenase causes decreased synthesis of NADPH, C. Required for reductive biosynthesis, D. Stabilizes the membrane of RBCs
A: Produces ATP in RBCs
Answer: A: Produces ATP in RBCs 
Explanation: NADPH does not produce ATP in RBCs.NADPHSources of NADPH:HMP shunt enzymes:- Glucose-6-phosphate dehydrogenase- 6-phospho gluconate dehydrogenaseCytoplasmic isocitrate dehydrogenasesMalic enzyme (decarboxylating malate dehydrogenase)NADPH is required for:Reductive biosynthesis of all lipids including fatty acid synthesis, cholesterol synthesis, bile acid synthesis as coenzyme.Regenerating reduced glutathione in RBCs and stabilizing the membrane or protects the membrane from oxidative stress