Short Hair Cuts

proteins are of a hard fibrous type known as keratin protein is comprised of what we call polypeptide chains. word, polypeptide, comes Greek word meaning many peptos meaning digested or broken amino acids.amino acids joined together form a "polypeptide chain mino acids joined together peptide bond correct number of amino acids placed correct order will form specific protein keratin, insulin, collagen Short Hair Cuts Sexy Styles

Short Hair Cuts 2011