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

9676 Views

See similar Biology A Level tutors

Related Biology A Level answers

All answers ▸

Describe how an enzyme increases the rate of a biochemical reaction?

As the volume of blood in the ventricles of the heart increases, with all other factors constant, stroke volume increases till a point. Explain why. (5)

How does the pancreas control blood sugar levels?

What is the purpose of myelin on a neurone?

Popular Requests

Maths tutor Chemistry tutor Physics tutor Biology tutor English tutor GCSE tutors A level tutors IB tutors Physics & Maths tutors Chemistry & Maths tutors GCSE Maths tutors

CLICK CEOP

Internet Safety

Payment Security

Cyber

Essentials

MyTutor is part of the IXL family of brands:

IXL

Comprehensive K-12 personalized learning

Rosetta Stone

Immersive learning for 25 languages

Wyzant

Trusted tutors for 300 subjects

Education.com

35,000 worksheets, games, and lesson plans

Vocabulary.com

Adaptive learning for English vocabulary

Emmersion

Fast and accurate language certification

Thesaurus.com

Essential reference for synonyms and antonyms

Dictionary.com

Comprehensive resource for word definitions and usage

SpanishDictionary.com

Spanish-English dictionary, translator, and learning resources

FrenchDictionary.com

French-English dictionary, translator, and learning

Ingles.com

Diccionario ingles-espanol, traductor y sitio de apremdizaje

ABCya

Fun educational games for kids