Which of the following hormones bind to membrane receptors and activate G-proteins?
A) peptide hormones
B) steroid hormones
C) estrogen
D) thyroid hormones
E) cortisol

Question

Quizplus · Accepted Answer

Peptide hormones bind to membrane receptors and activate G-proteins, whereas steroid hormones diffuse across the membrane and bind to intracellular receptors. Estrogen is a steroid hormone, while thyroid hormones and cortisol bind to intracellular receptors.

Which of the Following Hormones Bind to Membrane Receptors and Activate