This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of protein and amino acid, Subject name: Biochemistry
Urea cycle enzymes are 
Select and explain. 
A. Glutaminase, B. Asparginase, C. Arginosuccinate synthetase, D. Ornithine transcaroxylase
C: Arginosuccinate synthetase
Answer: C: Arginosuccinate synthetase 
Explanation: Arginosuccinate synthetase is an enzyme involved. Other options are not present.Ref: DM Vasudevan - Textbook of Biochemistry, 7th edition, page no: 205 .fig 15.13.