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Describe the generation of action potentials in neurons.

When the neuron is stimulated, it causes rapid depolarisation of the cell surface membrane. This will not generate an action potential unless it is large enough to exceed the threshold potential...

Answered by Howard R. • Biology tutor

5107 Views

Why is water being a solvent important?

dilute harmful substancestransport in bloodstream and plantsfor metabolic reactions to occurseparation of substancesabsorption of ions etc.

Answered by Sithhipratha A. • Biology tutor

2495 Views

What is the definition of a pathogen and give two examples. (3 marks)

An organism that can cause disease - e.g. virus, bacterium, fungus

Answered by Thomas R. • Biology tutor

2991 Views

Corriger la phrase suivante :" Ce matin, nous sommes tous arrivé à l’école bien content."

Cette phrase est juste dans sa composition mais il manque des accords. " Les garçons sont arrivé " (être arriver) est conjugué au passé composé. Une règle qu’il faut connaitre en français c’est ...

Answered by Florence S. • French tutor

2233 Views

To what extent was the success of the Civil Rights movement due to Non-violent action

There are a number of conflicting arguments regarding the use of 'non-violent' action in the 1960s Civil Rights movement. These arguments fall under a number of different categories. An important argument...

Answered by Ingrid M. • History tutor

2033 Views