This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: miscellaneous, Subject name: Biochemistry
[{'content': 'Which of the following enzymes does not take pa in TCA cycle? \nSelect and explain. \nA. Citrate synthase, B. Iso citrate dehydrogenase, C. Pyruvate dehydrogenase, D. Malate dehydrogenase', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Enzymes involved in TCA cycle are : Citrate synthase forms citrate Aconitase Iso citrate dehydrogenase Alpha KG dehydrogenase Succinyl co A synthase Succinate dehydrogenase Fumerase Malate drhydrogenase Ref: Biochemistry by U. Satyanarayana 3rd edition Pgno : 254', 'role': 'assistant'}]