Explanation

[image:19_image9.emf] Urea cycle The reaction of urea cycle, which occur in the mitochondria are contained in the oval. CPS-I $\Rightarrow$ Carbamyl phosphate synthetase-I, OTC-is ornithine transcarbamoyl case This is also called Kreb-Henselet cycle (1932) Formation and transformation of three amino acids namely ornithine, citrulline and arginine one after the other constitute the major steps in this cycle