Question

Urea is __________???​

Answer 1

Answer:

Explanation:urea is also known as carbamide.(NH2-CO-NH2)it is used for nitrogen breakdown mechanism in some mammals.that why mamals are ureotelic..the ammonia is converted into urea in liver...some urea remain in some mammals to maintain osmolarity..

Answer 2

ANSWER :-

The characteristics of urea are as follows :-

• Urea is derived from ammonia and carbon dioxide in the liver.

• Urea is transported in the blood by plasma.

• Urea is the breakdown product of amino acids.

• Urea can be present in high concentrations in the blood of animals without any sort of toxic effects.

Extra Information :-

• Animals that excrete urea as the principal waste matter of their body, are known as "Ureotelic".

• The process of excretion of urea is known as "Ureotelism".

• Ureotelic animals include mainly amphibians and mammals.

• "Elasmobranch fishes" retain urea in their body for hypertonicity.