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Describe what happens when a nerve impulse arrives at a synapse.

A synapse is a junction between a neurone and the next cell. When an action potential arrives at the presynaptic membrane, voltage-gated calcium ion channels open. Calcium ions (Ca2+) diffuse into the syn...

SG
Answered by Sophia G. Biology tutor
8648 Views

Discuss the presentation of Iago and Othello in Act 1, Scene 1 of Shakespeare's 'Othello'

IagoFrom the outset of Act 1, scene 1 Shakespeare presents Iago as a cunning and multifaceted character, an idea epitomised by his own admission ‘I am not what I am.’ This sentence, in co...

SA
44070 Views

How do I ensure my answer remains focussed on what the question is asking?

Already submitted a question and answer in this section. Due to technical difficulties, it wasn't properly saved to my profile but I expect the full answer will be recovered and reinstated soon.<...

SM
3148 Views

What path would a charge moving in the x-y plane track, in the presence of a uniform magnetic field out of the page?

The magnetic force on a moving charge is always perpendicular to the directions of both velocity and B-field vectors. This means that in the presence of a uniform magnetic field, a particle will experienc...

AH
Answered by Arsenios H. Physics tutor
1822 Views

How to Solve Two Simultaneous Equations

I will use the whiteboard in order to explain the answer to my question. The format will follow:Understanding what it means to 'solve' one equationUnderstanding what it means to 'solve' two equationsVaria...

MI
Answered by Matthew I. Maths tutor
2848 Views

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