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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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End product of purine metabolism in non-primate mammals is
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The correct answer is  Allantoin is a major metabolic intermediate in most organisms including animals, plants, and bacteria and is produced as a degradation product of purine nucleobases by urate oxidase (or uricase) from uric acid