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': 'In the body, metabolism of 10 g of protein would produce approximately \nSelect and explain. \nA. 1 Kcal, B. 41 Kcal, C. 410 Kcal, D. 4100 Kcal', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]