This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
[{'content': 'Which of the following enzymes does NOT contain Cu2+? \nSelect and explain. \nA. Ceruloplasmin, B. Cytochrome Oxidase, C. Xanthine oxidase, D. Superoxide Dismutase', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Dopamine hydroxylase Peptidylglycine hydroxylase, Ceruloplasmin(copper containg plasma protein, enzyme) Amine oxidase Copper-dependent superoxide dismutase Cytochrome oxidase Tyrosinase lysyl oxidase Hephaestin, ferroxidase Ascorbic acid has specific roles in the copper-containing hydroxylases and the -ketoglutarate-linked iron-containing hydroxylases Superoxide diamutase is Zn containing', 'role': 'assistant'}]