<prompt> Urea cycle enzymes areGlutaminaseAsparginaseArginosuccinate synthetaseOrnithine transcaroxylase  <response>: 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. 