Pacemaker cells lack a resting membrane potential because they possess an unstable potential that continuously depolarizes.
They have an unstable resting membrane potential that continually depolarizes <img src="paste-820463c91b63ca0f732fc9bf7f9b0c8e4b705920.jpg">
| Front | Why do pacemaker cells not have a resting membrane potential? |
|---|---|
| Back | They have an unstable resting membrane potential that continually depolarizes |
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