Relacionar Columnas ProteinsVersión en línea proteins part 1 por Danielle Woods 1 primary structure 2 how many nonessential amino acids? 3 protein digestion in stomach 4 how many essential amino acids? 5 secondary structure 6 basic structure of amino acid 7 denaturation of protein 8 protein absorption 9 tertiary structure 10 protein digestion in small intestine 11 quaternary structure 12 peptide bonds nine unfolding of proteins occurring in presence of heat, acid, base, salt, or mechanical agitation absorbed in small intestine, transported to liver from intestines via portal vein slightly folded and twisted two or more polypeptide chains bond together join 2 amino acids together amine group, R group (side chain), carboxyl group, hydrogen single peptide chain, simple linear chain proteases released by pancreas, breaking down polypeptides to dipeptides and tripeptides, which are further broken down into amino acids eleven gastrin releases HCl, HCl denatures proteins and converts pepsinogen to pepsin 3D globular shape, folding of polypeptide chain