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': 'Copper containing enzyme is ? \nSelect and explain. \nA. Cytochrome oxidase, B. Catalase, C. LDH, D. None', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Cytochrome oxidase Copper containing enzymes are cytochrome oxidase, tyrosinase, lysyl oxidase, ferroxidase (ceruloplasmin), Ascorbic acid oxidase, and superoxide dismutase.", 'role': 'assistant'}]