The defining feature of an amino acid is its side chain (at top, blue circle; below, all colored circles). When connected together by a series of peptide bonds, amino acids form a polypeptide, another word for protein. read more
Best Answer: The relationship between amino acids and proteins is that amino acids are the baics of a protein. In other words different arrangements of amino acids creates different proteins. Source(s): Took Biology last year, and taking A.P. Bio this year. read more
Amino acids are the building blocks/ monomers of proteins, wheras proteins are polymers of amino acids, which are linked together through peptide linkages. The good quality of proteins (nutritionally complete proteins) especially animal proteins obtained from eggs, meat, chicken, milk, cheese, pork, etc. help in building muscles. read more