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All or Nothing Principle (A-level Biology)

All or Nothing Principle

The size of the impulse is independent of the size of the stimulus:

Table of Contents

- If the intensity of a stimulus is below the threshold potential, no action potential will be initiated.

- If the intensity of a stimulus is above the threshold value, an action potential is initiated. Any further increase in intensity does not give a greater action potential.

A-level Biology - All or Nothing Principle — A-level Biology – All or Nothing Principle

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All or Nothing Principle (A-level Biology)

All or Nothing Principle