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': 'Pyrimidine metabolism features a/e \nSelect and explain. \nA. Require CAD polypeptide chain, B. 6-azauridine 1/t oritidinuria, C. DHOA-dehydrogenase is mitochondrial, D. Reye syndrome decrease cytosolic carbamoyl phosphate', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Reye syndrome decrease cytosolic carbamoyl phosphate', 'role': 'assistant'}]