Which of the following hormones is most likely to bind to intracellular receptors?
A) Growth hormone (GH), a complex protein
B) Insulin, a large peptide hormone
C) Aldosterone, a cholesterol-based hormone

Question

Quizplus · Accepted Answer

Aldosterone, a cholesterol-based hormone, is lipid-soluble and can easily pass through the lipid bilayer of cell membranes to bind to intracellular receptors. Growth hormone and insulin are both protein-based hormones that are not lipid-soluble and therefore bind to cell surface receptors.

Which of the Following Hormones Is Most Likely to Bind