Describe the chemical makeup of the 2 major classes of hormones?

steroid hormones are cholesterol derivatives: testosterone, estrogen, progesterone.





Protein hormones are much larger macromolecules: insulin, glucagon, erythropoeitin.Describe the chemical makeup of the 2 major classes of hormones?
The two major classes of hormones are: (1) steroid hormones, so named because they resemble the sterol cholesterol, and (2) peptide hormones, which are composed of amino acids.