Final answer:
Voltage-gated ion channels are located in the membranes of dendrites, axons, and the neuron cell body.
Step-by-step explanation:
Voltage-gated ion channels are located in the membranes of dendrites, in the membranes of axons, and on the neuron cell body.
These channels regulate the movement of ions into and out of a neuron in response to changes in voltage. By controlling the flow of ions, voltage-gated channels play a crucial role in generating and propagating electrical signals in neurons.