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
NADPH is produced by 
Select and explain. 
A. Glycolysis, B. Citric acid cycle, C. Hexose monophosphate shunt, D. Glycogenesis
C: Hexose monophosphate shunt
Answer: C: Hexose monophosphate shunt 
Explanation: None