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': 'The amino acid required for the synthesis of haem is \nSelect and explain. \nA. Glutamine, B. Glutamic acid, C. Glycine, D. Lysine', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]