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What is the function of the myelin sheath?

Neurones can either be myelinated - they are sorrounded by a myelin sheath, or unmyelinated - they are not surrounded by a myelin sheath.
The myelin sheath is made up of Schwann cells and there are g...

Answered by Chloe R. • Biology tutor

80378 Views

What is the role of ATP in a cell?

Adenosine triphosphate (ATP) is a small molecule that acts as a coenzyme within a cell.
The main role of ATP is to provide energy. Below are the ways it provides energy which can described in an exam...

Answered by Chloe R. • Biology tutor

57741 Views

What are the main forms of river erosion?

Definition: River erosion is a process through which the riverbed, banks and rocks are worn away.

There are 4 key types of river erosion:

Answered by Chloe R. • Geography tutor

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How can I show the impact of a NMW on employment using a supply and demand graph?

You'd need to draw your pair of axes, labelling the vertical one "wages" and the horizontal one "quantity of workers". Your labour demand and supply curves should look like normal d...

Answered by Martin G. • Economics tutor

2588 Views

How do I pick a College?

The College's will all tell you that this is about personal choice: visit the Colleges and pick one in which you feel at home.Whilst this is true, it is worth looking at the numbers, too, if you want to s...

Answered by Nathalie G. • Oxbridge Preparation tutor

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