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 ▸What is the difference between primary and secondary succession?
How are the lung's alveoli adapted for efficient diffusion?
What is the difference between competitive and non-competitive enzyme inhibition?
Describe how proteins are processed and released from cells