This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Biochemistry
[{'content': 'rate limiting enzyme in TCA cycle produce how many atp/gtp? \nSelect and explain. \nA. 1, B. 4, C. 3, D. 10', 'role': 'user'}, {'content': 'Answer: A \nExplanation: ratelimiting enzyme in TCA cycle is SUCCINATE THIOKINASE which is responsible for subtrate level phosphorylation one GTP is produced in this step imp point : when ever a enzyme with KINASE suffix produce ATP. ref : vasudevan 7th ed', 'role': 'assistant'}]