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The urea cycle processes which element for excretion?

ANickel ion
BNeon gas
CNiobium
DNitrogen
Answer & Solution
Correct answer: D. Nitrogen
1. Amino acids carry it in their amine group. 2. It must leave the body somehow. 3. The urea cycle processes nitrogen and facilitates its excretion from the body. 4. So the answer is nitrogen. _Source: OpenStax 'Anatomy and Physiology 2e', Ch 24 'Metabolism and Nutrition'_
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