This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: TCA Cycle, Subject name: Biochemistry
All of the following are enzymes of TCA cycle, EXCEPT 
Select and explain. 
A. Aconitase, B. Fumarase, C. Malic enzyme, D. Citrate synthase
C: Malic enzyme
Answer: C: Malic enzyme 
Explanation: Do not confuse Malate dehydrogenase and malic enzyme. Malic enzyme Malate dehydrogenase oxidative decarboxylation of malate to pyruvate. oxidation of malate to oxaloacetate.