The urea cycle is ________ because it ________.

Name: The urea cycle is ________ because it ________.
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Question

Quizplus · Accepted Answer

The urea cycle is an endergonic process because it requires energy input in the form of ATP to drive the reaction forward. Specifically, three ATP are required to convert ornithine to citrulline in the first step of the cycle. No ATP are produced during the cycle, so the net cost of ATP is 3. Therefore, option C, endergonic and costs 3 ATP, is the correct choice.

The Urea Cycle Is ________ Because It ________

The Urea Cycle Is Because It