Now, the bonds that connect these individual monomers, our amino acids, are called peptide bonds. And proteins are usually called polypeptides, which means they consist of many of these peptide bonds and many of these amino acids. Now, just like we have specialized types of enzymes that break down our polymers of carbohydrates, of polysaccharides, we also have specialized types of enzymes in the stomach and a small intestine to basically break down these peptide bonds. So our body can use these proteolytic enzymes to catalyze the hydrolysis, the catabolic breakdown of our polypeptides into their constituent amino acids. And only then can our cells can actually ingest these amino acids into our body. So the majority of our proteins are ingested into the cells in the form of our monopeptides, our amino acids.