Top answers

Explain how an action potential is propagated across a synapse in a muscles (3 marks)

Any three of the following, in the correct order. Action potential arrives at the pre-synaptic membrane Causes the voltage gated Ca2+ channels in the pre synaptic terminal to openCa2+ enters the pre synaptic...
Answered by • Biology tutor
2724 Views

Expand and simplify: (10-x)/2 = 2x - 6

This is a typical example of a 3 mark question on a GCSE higher paper. The first mark would be awarded for multiplying both sides of the equation by 2, and then expanding the brackets:10 - x =2(2x-6)10 - x =...
AG
Answered by Amy G. • Maths tutor
3749 Views

Compare and contrast the presentation of identity as a site of conflict in Things Fall Apart, The Ballad of Peckham Rye and North

In Chinua Achebe’s Things Fall Apart, Seamus Heaney’s North, and Muriel Spark’s The Ballad of Peckham Rye, identity is presented as a site of brutal conflict and violence, sundering the tense surface of the ...
MJ
3880 Views

How do I help show I have a passion for the subject I have chosen to study at University?

When writing a personal statement it is best to demonstrate your passion for a subject by outlining any relevant extracurricular activities or further reading you have done, rather than just expressing it th...
LJ
2912 Views

Given a graph of y = f(x) how do you sketch a graph of y = f(x)+4, y = f(x-5), y = -f(x+4) or any other similar transformations

For y = f(x)+4: the graph undergoes a translation of (0,4) For y = f(x-5): the graph undergoes a translation of (5,0) For y = -f(x+4): the graph is reflected w.r.t the x-axis and translated by (-4,0)*imagine...
JE
Answered by Jack E. • Maths tutor
4873 Views