Marine invertebrates express enzymes that allow for the conversion of uric acid to NH₄⁺. What is the correct order of the action of enzymes in this pathway? 1. Urate oxidase
2) Allantoicase
3) Urease

Question

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The correct order of enzyme action in the conversion of uric acid to ammonia (NH3) and carbon dioxide (CO2) in marine invertebrates is: 1) Urate oxidase, which converts uric acid into allantoin; 4) Allantoinase, which converts allantoin into allantoic acid; 2) Allantoicase, which converts allantoic acid into urea and glyoxylate; and 3) Urease, which converts urea into ammonia and carbon dioxide.

Marine Invertebrates Express Enzymes That Allow for the Conversion of Uric