LIFE SCIENCE

Detailed explanation-1: -In addition to carbon, hydrogen, and oxygen atoms, all proteins contain nitrogen and sulfur atoms, and many also contain phosphorus atoms and traces of other elements.

Detailed explanation-2: -All proteins contain four elements, carbon, hydrogen, oxygen and nitrogen, with most proteins also containing sulfur. Further, there are proteins which also contain phospho-rus, iodine, iron, copper and zinc. These elements are contained in the proportions shown below, with percentages varying in each protein.

Detailed explanation-3: -What Are Proteins Made Of? The building blocks of proteins are amino acids, which are small organic molecules that consist of an alpha (central) carbon atom linked to an amino group, a carboxyl group, a hydrogen atom, and a variable component called a side chain (see below).

Detailed explanation-4: -Proteins contain carbon, hydrogen, oxygen, nitrogen, and sulfur. A protein molecule is made from one or more long chains of amino acids, each linked to its neighbors by covalent bonds. Multiple chains of a protein are held together by weaker bonds. Proteins are the most numerous and diverse biochemical compounds.