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': 'Glycine paicipates in the biosynthesis of all, EXCEPT: \nSelect and explain. \nA. Heme, B. Creatine, C. Pyrimidine, D. None of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Glycine paicipates in the biosynthesis of heme, purines, creatine, and N-methylglycine (sarcosine). Ref: Harper 28th edition, chapter 30.', 'role': 'assistant'}]