Question

how is urea cycle regulated?​

Answer 1

The urea cycle (ornithine cycle) is a cycle of biochemical reactions occurring in many animals that produces urea ((NH2)2CO) from ammonia (NH3). It takes place primarily in the liver, and to a lesser extent in the kidney. Organisms that cannot easily and quickly remove ammonia, convert it to substances like urea or uric acid, which are much less toxic.

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Answer 2

Answer:

the biosynthesis of urea is regulated by mainly two factor, the amount of urea cycle enzyme and the concentration of acetyl-gultamate and ornithine.

Enzyme for urea cycle

(a) carbomoys PO4 synthetase

(b) orbitgene Trans-carbomoylase

(c) Arginino-succinate synthetase

(d) Arginino-succinate lyase

(e) Arginase

4 ATP are spent to synthesize 1 molecule of urea.