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': 'Hemoproteins are a) Cytochrome Cb) Cytochrome 450c) Myoglobind) Hemoglobine) Catalase \nSelect and explain. \nA. abcde, B. bc, C. abc, D. bcde', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Hemoproteins (Proteins containing heme prosthetic group) are hemoglobin, myoglobin, cytochromes (cytochrome C, cytochrome p456), catalase, peroxidase, tryptophan pyrrolase and nitric oxide synthase.', 'role': 'assistant'}]