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 biochemical reaction does not occur in the mitochondria: \nSelect and explain. \nA. Kreb's cycle, B. Urea cycle, C. Gluconeogenesis, D. Fatty acid synthesis", 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Fatty acid synthesis', 'role': 'assistant'}]