Multiple choice

In a neuron, where are the ion channels located?

  1. Nodes of Ranvier

  2. Axoplasm

  3. Axon hillock

  4. Axon terminals

  5. Axolemma

Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

The axolemma is the cell membrane surrounding an axon. It is responsible for maintaining the membrane potential of the neuron, and it contains ion channels through which ions can flow.