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
[{'content': 'Which of following substances inhibit succinate dehydrogease in Kreb cycle? \nSelect and explain. \nA. Flouroacetate, B. Arsenite, C. Malonate, D. Fluoride', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Inhibitors of TCA Cycle\n\nAconitase noncompetitively inhibited by Flouroacetate\xa0\nAlpha Ketoglutarate Dehydrogenase noncompetitively inhibited by Arsenite\xa0\nSuccinate Dehydrogenase is competitively inhibited by Malonate.(Inhibitor of complex II of ETC).\n\nHarper 30th edition pg-162', 'role': 'assistant'}]