Essential Biochemistry - Protein Metabolism (Section 3 - No. 4)

What is the role of ornithine in the urea cycle?
It is the first substrate in the urea cycle.
It accepts a carbamoyl group from carbamoyl phosphate.
It is an intermediate which regenerates to continue the cycle.
It is a product of the urea cycle

Explanation

Ornithine is an intermediate that is regenerated in the urea cycle.

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