Which of these hormone types does NOT require membrane receptors to invoke cell responses
A)catecholamines
B)steroids
C)peptides
D)parathyroid hormones

Question

Quizplus · Accepted Answer

Steroids are lipid-soluble and can pass through cell membranes to bind with intracellular receptors, unlike catecholamines, peptides, and parathyroid hormones, which are not lipid-soluble and thus require membrane receptors to mediate their actions.

Which of These Hormone Types Does NOT Require Membrane Receptors