This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of nucleic acids, Subject name: Biochemistry
[{'content': 'Hemoproteins are \nSelect and explain. \nA. Cytochrome C, B. Cytochrome 450, C. Myoglobin, D. Hemoglobin', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Conjugated protein containing <a href=" as the prosthetic group, such as <a href=" <a href=" <a href=" or <a href="', 'role': 'assistant'}]