Urea and Uric acid
catabolism
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During the resistance phase of the general adaptation syndrome, there is a high demand for glucose, especially by the nervous system. The hormones GH-RH and CRH increase the levels of GH and ACTH, respectively. Growth hormone mobilizes fat reserves and promotes the catabolism of protein; ACTH increases cortisol, which stimulates both the conversion of glycogen to glucose and the catabolism of fat and protein.
What are the features that generally distinguish pathways of catabolism from pathways of anabolism
urea
Urea and Uric acid
Catabolism is breaking down process or degradation phase. It happens when you are sick or fasting (not eating). Anabolism is biosynthesis process or reduction phase like making protein from amino acids.
creatinine
Michele McCall has written: 'Energy expenditure and protein catabolism in ventilated trauma patients'
The kidneys excrete urea, from protein catabolism, and uric acid, from nucleic acid metabolism.
ATP adenosine-tri-phosphate
catabolism
Dietary protein or catabolism, especially of skeletal muscle.
Catabolism and anabolism combine to bring about the continuous breakdown of proteins, as well as its resynthesis, that create dynamic equilibrium. Protein synthesis is more dynamic in younger animals than for older ones.
Protein catabolism is the breakdown of the proteins into the amino acids which are the basic constituents of the protein. In digestion process the proteins get converted into amino acids and used for the repair and building process of cells. The excess of amino acid get converted into fat and sugar and get stored into liver. Due to illness or prolonged starvation when the body does not get adequate energy, this excess of amino acid in the form of fats or sugar get breakdown and provides energy.
A protease (also termed peptides or protease's) is any enzyme that conducts proteolysis, that is, begins protein catabolism by hydrolysis of the peptide bonds that link amino acids together in the polypeptide chain forming the protein.