This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of nucleic acids, Subject name: Biochemistry
Uric acid is formed by 
Select and explain. 
A. Catabolism of proteins, B. Catabolism of ketones, C. Catabolism of purines, D. Catabolism of pyrimidines
C: Catabolism of purines
Answer: C: Catabolism of purines 
Explanation: Uric acid the end product of purine catabolismis a strong reducing agent. Its role as an antioxidant is paicularly significant in the upper respiratory tract REF : DM VASUDEVAN TEXTBOOK ;8th EDITION ;Page no:547 and 548