All of the Following Are True of the Urea Cycle

question 33

Multiple Choice

All of the following are true of the urea cycle EXCEPT:

• A) It helps in the excretion of excess nitrogen.
• B) It is mainly confined to the liver.
• C) It is linked to the citric acid cycle through fumarate.
• D) Stimulation of carbamoyl-phosphate synthetase I (CPS-I) decreases the activity of the urea cycle.
• E) It is completed by the regeneration of ornithine from arginine.

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Definitions:

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Genetic Mutation

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Internal Components

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