Fastest acting receptor/transduction mechanism is: (A) Adenylyl cyclase-cyclic AMP pathway, (B) Phospholipase C-IP3:DAG pathway, (C) Intrinsic ion channel operation, (D) Nuclear receptor
Answer is C. Ref-KDT 6/e p40 Drugs acting and ionotropic receptor are fast acting where as those acting through nuclear receptors are slowest in action