The neurotransmitters; nor-adrenaline, adrenaline and dopamine act through which of the following receptors?
Single pass transmembrane receptors
Four pass transmembrane receptors
Seven pass transmembrane receptors
Ligand gated receptors
Ans. (C) Seven pass transmembrane receptors(Ref: KDT 8th/e p54, 55)These neurotransmitters (A, NA, DA) act through G-protein coupled receptors which are also known as seven-transmembrane domain receptors, heptahelical receptors and serpentine receptors.
General Pharmacology