During the urea cycle, how many ammonia molecules react with one carbon dioxide molecule to produce a single urea molecule?

Biology Mcqs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

PPSCFPSCNTSPakistan govt jobs
Subject
Biology Mcqsbiology-mcqs
Published
4 Jun 2018
Last updated
28 May 2026

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Explanation

In the urea cycle, two ammonia molecules combine with one carbon dioxide molecule to generate one molecule of urea.

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