Which of the following is present intracellularly in muscle cells -: (A) Insulin, (B) Coicosteroid, (C) Epinephrine, (D) Glucagon
Answer is B. Ans. is `b' i.e., Coicosteroids o Insulin, epinephrine and glucagon act on membrane receptors. o Coicosteroids act on intracellular (cytoplasmic receptors).