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
Copper containing enzyme is ? 
Select and explain. 
A. Cytochrome oxidase, B. Catalase, C. LDH, D. None
A: Cytochrome oxidase
Answer: A: Cytochrome oxidase 
Explanation: Ans. is 'a' i.e., Cytochrome oxidase Copper containing enzymes are cytochrome oxidase, tyrosinase, lysyl oxidase, ferroxidase (ceruloplasmin), Ascorbic acid oxidase, and superoxide dismutase.