<prompt> Which of the following most accurately describes the transmembrane signalling process involved in the steroid hormone actionAction on a membrane spanning tyrosine kinaseAction of a G protein which activates or inhibits adenylyl cyclaseDiffusion across a membrane and binding to an intracellular receptorOpening of transmembrane Ion channels  <response>: Ref-KDT 6e p51 Steroid hormones and lipids soluble and act on cytoplasmic receptor after crossing the plasma membrane 