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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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Nontoxic form of storage and transpoation of ammonia:
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The correct answer is  Catabolism of amino acid give rise to ammonia which get transferred to glutamate. From glutamate, NH3 is ultimately taken up by glutamine which is Non-toxic form of storage and transpoation of ammonia in blood (see fig below). Glutamine is neutral in nature and can readily move across cell membrane by facilitative diffusion. Glutamine is formed from glutamate by following reaction: