Which of the following is not an enzyme of Urea biosynthesis?: (A) Carbomoyl phosphate synthetase II, (B) Ornithine transcarbamylase, (C) Argininosuccinase, (D) Arginase
Answer is A. Carbamoyl Phosphate Synthase I Is the Pacemaker Enzyme of the Urea Cycle. Other enzymes are; Argininosuccinate Synthase. Argininosuccinate Lyase. Arginase.Ref: Harpers Illustrated Biochemistry, 30th edition, page no: 295