When a neuron responds to a particular neurotransmitter by opening gated ion channels, the neurotransmitter is serving as which part of the signal pathway?
When a neuron responds to a particular neurotransmitter by opening gated ion channels, the neurotransmitter serves as the first messenger in the signal pathway. A signal pathway is a series of steps that transmit a signal from outside the cell to the inside of the cell. Signal pathways are used to regulate a wide range … Read more