Essential Biochemistry - Protein Metabolism (Section 3 - No. 18)
What is the final step of the urea cycle?
Formation of citrulline.
Formation of arginine.
Hydrolysis of arginine to urea and ornithine.
Formation of fumarate.
Explanation
The final step is the hydrolysis of arginine by arginase to produce urea and regenerate ornithine.
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