All of the following hormones have receptors on the plasma membrane of target tissues except: (A) Thyrotropin, (B) Glucagon, (C) Estradiol, (D) Insulin
Answer is C. b-Estradiol; 17b-estradiol; the most potent naturally occurring estrogen in mammals, formed by the ovary, placenta, testis, and possibly the adrenal coex; therapeutic indications for estradiol are those typical of an estrogen.Ref: Ganong&;s review of medical physiology; 24th edition; Page no: 403