What is the product of the reaction of citrulline with aspartate in the urea cycle?
A
Arginine
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B
Ornithine
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C
Argininosuccinate
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D
Asparto citrulline
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Solution
The correct option is C Argininosuccinate Urea synthesis is a five step cyclic process, with five distinctive enzymes. In the third step of the urea cycle, citrulline condenses with the aspartate to form arginosuccinate by the enzyme arginosuccinate synthetase.
So, the correct answer is 'Arginosuccinate synthetase'.