What is the all or nothing principle?

Basically this means that if the threshold voltage of a neurone is reached -40mV, then a stimulus will be generated of always +40mV. If the threshold is not reached then there will be no signal. 

KD

Related Biology A Level answers

All answers ▸

Why is it that an action potential only travels in one direction?


Explain key differences between prokaryotic and eukaryotic cells.


Outline what happens to chromosomes during the mitotic cell cycle.


Describe the process of a cardiac cycle.