Purines are heterocyclic aromatic compounds containing two fused rings. They are the most common nitrogen-containing heterocycles in nature. Purine is also present in significant amounts in red meat, beef, pig, … Read more
Cholesterol is the most abundant sterol in tissues and plasma. It is present in animal or human cells either in free or stored or combined form as cholesteryl ester. It … Read more
Friedrich Miescher first isolated nucleic acid from the nuclei of leukocytes from discarded surgical bandages and named it nuclein. Nuclein was later discovered to be a combination of basic protein … Read more
Enzymes are biocatalysts that speed up the rate of a chemical reaction without being changed in the overall process. They consist of hundreds and thousands of amino acids liked together … Read more
Krebs cycle is the most common route for the complete oxidation of carbohydrates, proteins, and lipids. Krebs cycle was discovered by H.A. Kreb, who received the Nobel prize in 1953. … Read more
Urea is the primary form of waste product of amino groups derived from amino acids. Urea is made up of ammonia, CO2, and aspartate in a cyclic pathway referred to … Read more
Glycolysis is an oxidative process that converts one mole of glucose into two moles of pyruvate through a series of enzymatic reactions. It is also known as the Embden-Meyerhof pathway. … Read more
Determination of the amount of protein in an unknown sample is known as protein assay. Different methods are appropriate for the protein assay depending on the amount and purity of … Read more
Peptides are short chains of amino acids that typically range from 2 to 50 amino acids in length. They are protein variants that are shorter in length. The names of … Read more
