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': 'Which of the following does not occur in mitochondria? \nSelect and explain. \nA. TCA cycle, B. HMP Shunt, C. Urea cycle, D. Beta oxidation of fatty acids', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]