What are a-amino acids ?

Explanation

Protein occurs in every part of the body and form the fundamental basis of structure and functions of life. All proteins are polymers of `alpha`-amino acids. An `alpha`-amino acid has an amino group at the `alpha`-carbon atom shown below :
`underset(alpha-"Amino acid")(H_(2)N-underset(R )underset(|)overset(" COOH")overset(|)(C^(alpha))-H)" "R=H,CH_(3)` etc