Overview
Steroid and peptide hormones are essential for regulating various bodily functions. Steroid hormones, derived from cholesterol, can easily pass through cell membranes and directly influence gene expression. In contrast, peptide hormones, made of amino acids, bind to receptors on the cell surface, tr...
Key Terms
Example: Insulin is a hormone that regulates blood sugar levels.
Example: Testosterone is a steroid hormone involved in male development.
Example: Glucagon is a peptide hormone that raises blood sugar levels.
Example: Insulin receptors are found on the surface of cells to regulate glucose uptake.
Example: Peptide hormones often use secondary messengers in signal transduction.
Example: Steroid hormones are lipid-soluble.