This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urea cycle, Subject name: Biochemistry
[{'content': 'Urea cycle occurs in : \nSelect and explain. \nA. Mitochondria, B. Cytoplasm, C. Both, D. ER', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Pathways occurring In Mitochondria Cytoplasm Both TCA ETC Beta oxidation of Fatty acids Ketone body synthesis Ketone body utilization Glycolysis Glycogen synthesis Glycogen breakdown Fatty acid synthesis Urea Cycle Haem synthesis Gluconeogenesis', 'role': 'assistant'}]