Neurotransmitters. which answer is incorrect Question 9Select one: a. The function of a neurotransmitter is determined by the receptor to which it binds b. Receptors for neurotransmitters are either G protein linked receptors or voltage gated ion channels c. Neurotransmitters can be excitatory or inhibitory or both d. Dopamine is a neurotransmitter that is deficient in Parkinson`s disease e. Acetylcholine is the neurotransmitter released at neuromuscular junctions f. Gases and lipids can act as neurotransmitters