title: A new approach to the molecular evolution of hormones: the receptorial aspect.
mesh_terms: D000596:Amino Acids / Q000378:metabolism; D000818:Animals; D005075:Biological Evolution; D006728:Hormones / Q000096:biosynthesis / Q000502:physiology*; D010455:Peptides / Q000378:metabolism; D011956:Receptors, Cell Surface / Q000235:genetics / Q000378:metabolism*; D013045:Species Specificity
chemical_list: D000596:Amino Acids; D006728:Hormones; D010455:Peptides; D011956:Receptors, Cell Surface