<prompt> According to the two-state receptor theory, which of the following statements BEST explain the term agonists? They haveStrong affinity for receptor in active state RaStrong affinity for receptor in inactive state RiEqual affinity for Ra and RiSlightly more affinity for Ra than Ri  <response>: In to state receptor theory, agonists and inverse agonists are thought to have a selective binding affinity for the pre-existing resting and active states 