Transamination and its features

The chemical process in which there is transfer of an amino (-NH2) group from an amino acid to a keto-acid is known as transamination. This process involves the inter conversion of a pair of amino acids and a pair of keto acids which are catalyzed by a group of enzymes called transaminases (recently called aminotransferases). … Read more

Urea cycle

Urea is considered as the end product of protein metabolism (amino acid metabolism). The nitrogen of amino acids gets converted to ammonia which is toxic to the body. It is then converted to urea and detoxified. Such urea accounts for 80-90% of the nitrogen containing substances which is excreted in the urine. It is synthesized … Read more

Various functions of liver

Liver performs a number of functions. Due to its function, it is also called master laboratory of the body. It is an important organ for metabolism in vertebrates. A summary of its important function is as follows: 1) Secretion of bile The liver cells synthesize the constituents of bile from the mixed arterial and venous … Read more