44.If all the peptide bonds of a protein are broken down, then what would remain? A. Amino acids B. Peptides C. Polypeptides D. Oligopeptides
Option A Proteins are polypeptide macromolecules. They are composed of amino acids joined together with the help of peptide bonds. If peptide bonds of a protein are cleaved amino acids will be released. This is exactly what happens during digestion of dietary proteins. The proteins are hydrolyzed by breaking of peptide bonds and resulting amino acids are absorbed.
