The urea is used to remove a proton from the acac ligand to form the negatively charged species.
The liver
skin
Kidney
Our bodies use it to facilitate the synthesis of amino acids.
All amino acids
The organ that excretes Urea compounds are the kidneys, BUT they do not excrete HEAT. No organ of the human body EXCRETES heat.
liver
In the Kidneys
The urea is used to remove a proton from the acac ligand to form the negatively charged species.
They've lost the subsequent enzymes required for catalyzing the synthesis of urea into ammonia.
The skin uses sweat to excrete water and urea.
skin
kidney
The liver
liver
yes they can.The bacteria in their forstomach use the N of it to synthesis protein.