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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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NO is synthesized by
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The correct answer is  Nitric oxide is formed from Arginine by the enzyme Nitric oxide synthase.The enzyme utilizes NADPH and molecular oxygen. Citrulline is also formed.Ref: DM Vasudevan - Textbook of Biochemistry, 7th edition, page no: 227