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': 'Gout is a disorder of \nSelect and explain. \nA. Purine metabolism, B. Pyrimidine metabolism, C. Oxalate metabolism, D. Protein metabolism', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Disorders of purine metabolism :\n\nGout, Lesch-Nyhan syndrome, adenosine deaminase deficiency, purine nucleoside phosphorylase deficiency.\n\nDisorders of pyrimidine metabolism :\n\nOrotic aciduria, P-hydroxybutyric aciduria, uraciluria-thyminuria.', 'role': 'assistant'}]