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': 'Where is thermogenin located? \nSelect and explain. \nA. Cytoplasm, B. Lysosome, C. Mitochondria, D. Golgi complex', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Thermogenin is uncoupler of oxidative phosphorylation and present in mitochondria', 'role': 'assistant'}]