Which enzyme cleaves argininosuccinate to form arginine and fumarate?
A
Argininosuccinase
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B
Succinase
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C
Argininosuccinate synthase
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D
None of the above
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Solution
The correct option is A Argininosuccinase Urea synthesis is a 5 step cyclic process, with five distinctive enzymes. In the fourth step of the urea cycle, the enzyme arginosuccinase cleaves arginosuccinate to arginine and fumarate.