Anatomy Which of the following most accurately describes the transmembrane signalling process involved in the steroid hormone action A Action on a membrane spanning tyrosine kinase B Action of a G protein which activates or inhibits adenylyl cyclase C Diffusion across a membrane and binding to an intracellular receptor D Opening of transmembrane Ion channels 💡 Explanation Which of the following most accurately describes the transmembrane signalling process involved in the steroid hormone action ✓ Correct Answer: C. Diffusion across a membrane and binding to an intracellular receptor