Which of the following most accurately describes the transmembrane  signaling  process  involved  in  the steroid hormone action?
Steroid hormones are lipid soluble and act on cytoplasmic receptors after crossing the plasma membrane.
Action on a membrane spanning tyrosine kinase
Action of a G protein, which activates or inhibits adenylyl cyclase
Diffusion across the membrane  and binding to an  intracellular receptor
Opening of transmembrane ion channels