What Is a Main Difference Between the Modes of Action

question 23

Multiple Choice

What is a main difference between the modes of action of peptide hormones and steroid hormones?

• A)Peptide hormones bind to intracellular receptors whereas steroid hormones bind to receptors on the cell surface.
• B)Peptide hormones bind to receptors in the nucleus whereas steroid hormones bind to receptors in the cytosol.
• C)Peptide hormones bind to receptors on the cell surface whereas steroid hormones act as second messengers.
• D)Peptide hormones bind to receptors on the cell surface whereas steroid hormones bind to intracellular receptors.
• E)There are no differences; both act by binding to receptors on the cell surface.