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: Physiology
[{'content': 'All of the following metabolic functions occur in the mitochondria, Except: \nSelect and explain. \nA. Beta-oxidation of fatty acids, B. Biosynthesis of fatty acids, C. Protein synthesis, D. Citric acid cycle', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Biosynthesis of fatty acids', 'role': 'assistant'}]