The Biochemistry Option

Proteins Proteins are a group of biomolecules (or biopolymers) that form enzymes and muscles in the body. They are the chief nitrogenous compounds found in living organisms but are still only approximately 15% nitrogen. The other elements they are comprised of is carbon, oxygen, hydrogen and a relatively small amount of sulphur. Proteins are made of amino acids which, as the name implies, are made from amino groups (NH2) and carboxylic acid groups (COOH). These groups are joined together via a carbon ...