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': 'Which amino acid does not take pa in one carbon transfer reactions: \nSelect and explain. \nA. Glycine, B. Serine, C. Alanine, D. Histidine', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Histidine', 'role': 'assistant'}]