<prompt> End product of purine metabolism is?AlanineUric acidAmmoniaAllantoin  <response>: ANSWER: B Uric addREF: Biochemistry 3rd edition by S C Rastogi page 366,In humans and higher primates, uric acid is the final oxidation breakdown product of purine metabolism and is excreted in urine.AUantoin is a natural end product of purine metabolism in most mammals other than humans. 