Peptide Hormones: Insulin, Glucagon, and Oxytocin and Their Roles
Peptide Hormones:Peptide hormones are signaling molecules made from chains of amino acids that regulate everything from blood sugar and metabolism to childbirth and bonding . Unlike steroid hormones, which are fat-soluble and can cross cell membranes, peptide hormones bind to receptors on the outside of cells, triggering cascades of internal signals. This mechanism makes them fast-acting…