title: Proteolysis and the evolutionary origin of polypeptide hormones.
mesh_terms: D005075:Biological Evolution; D003594:Cytoplasmic Granules / Q000378:metabolism; D006728:Hormones / Q000378:metabolism; D006868:Hydrolysis; D008247:Lysosomes / Q000378:metabolism; D008954:Models, Biological; D010587:Phagocytosis; D010873:Pinocytosis; D011498:Protein Precursors / Q000378:metabolism*
chemical_list: D006728:Hormones; D011498:Protein Precursors