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Describe the role of the myelin sheath surrounding the axon

It is important to remember that the myelin sheath is essential for our nervous system.It forms a layers of fatty material around the axon. This allows INSULATION, which, in turn, allows quicker conductio...

OD
Answered by Ozbil D. • Biology tutor
9605 Views

What are the key principles of evolution?

Variation: there is variation in the physical and behavioural characteristics of a set of organisms. This variation is caused by a combination of genetic and environmental factors.

IS
Answered by Ivan S. • Biology tutor
5401 Views

Qu-est ce que tu as fait le weekend dernier?

What did you do last weekend?

This question helps the student to think about vocab relating to pastimes and hobbies as well as the passé composé tense. It also opens up t...

KG
Answered by Kathy G. • French tutor
39438 Views

How do I analyse an unseen poem in the exam?

First of all - don't panic!

Read the poem through once.

Then read it again, underlining any parts that stick out to you. Think about whether you can spot any figures of spee...

HB
Answered by Hannah B. • English tutor
6753 Views

Explain why Aluminium and Sulfur do not fit the expected trends of first ionisation energies of period 3?

Firstly, we should define the first ionisation energyThe first Ionisation Energy is the energy required to remove one mole of electrons from one mole of gaseous atoms to form a mole of ga...

JG
Answered by Jake G. • Chemistry tutor
84023 Views

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