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': 'Serine while metabolism is conveed to which amino acid? \nSelect and explain. \nA. Proline, B. Alanine, C. Glycine, D. None of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Following conversion to glycine, catalyzed by serine hydroxymethyltransferase, serine catabolism merges with that of glycine. Ref: Harper 28th edition, chapter 29.', 'role': 'assistant'}]