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': 'Thermogenin is present in ? \nSelect and explain. \nA. Cytoplasm, B. Mitochondria, C. Ribosome, D. Nucleus', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e.,Mitochondria Thermogenin is found in mitochondria of brown adipose tissue.Thermogenin is an uncoupler protein present in brown adipose tissue (brown fat).It uncouples oxidation and phosphorylation by acting as a channel for Fl+ ions so that hydrogen ion gradient cannot build up.Oxidation occuring in brown adipose tissue without generation of ATP results in production of heat.", 'role': 'assistant'}]