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
TCA is not controlled by ? 
Select and explain. 
A. NADH, B. ATP, C. NADPH, D. ADP
C: NADPH
Answer: C: NADPH 
Explanation: Ans. is 'c' i.e., NADPH Enzyme Allosteric inhibitorsCitrate synthaseATP, long chain acyl-CoA, succinyl-CoAIsocitrate dehydrogenase ADPATP, NADHa-ketoglutarate dehydrogenaseNADH, succinyl CoA