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': "How many ATP's are formed by one turn of Beta oxidation: \nSelect and explain. \nA. 3, B. 5, C. 7, D. 12", 'role': 'user'}, {'content': 'Answer: B \nExplanation: 5', 'role': 'assistant'}]