Answers>Biology>A Level>Article

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.

Answered by Katie D. • Biology tutor

8584 Views

See similar Biology A Level tutors

Related Biology A Level answers

All answers ▸

How can a child have cystic fibrosis when neither of the parents have the disorder? (5 Marks)

Some patients suffer from high ventricular pressure. This causes fluid to build up outside the blood capillaries. Explain why? How does widening the blood vessels using drugs reduce blood pressure?

What is the all or nothing principle?

Related Biology A Level answers

How can a child have cystic fibrosis when neither of the parents have the disorder? (5 Marks)

Some patients suffer from high ventricular pressure. This causes fluid to build up outside the blood capillaries. Explain why? How does widening the blood vessels using drugs reduce blood pressure?

Describe how giving a vaccine leads to production of antibodies against a virus

The drug Atropine blocks the action of of acetylcholine on structures innervated by post-ganglionic cholinergic neurones.

We're here to help

Company Information

Popular Requests

© MyTutorWeb Ltd 2013–2024

CLICK CEOP