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': 'When muscle glycogen is used for anarrobic glycolysis, how many ATPs are formed \nSelect and explain. \nA. 2, B. 3, C. 4, D. 7', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Normally anarrobic glycolysis produces 2 ATPs - But the end product of muscle glycogendysis is glucose - 6 - phosphate. Glucose - 6 - phosphatase) is absent in muscle. So the step catalysed by hexokinase / Glucokinase is not needed. Hence the answer is 3.', 'role': 'assistant'}]