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Merely memorising a set text is neither fun nor advisable as you could be given any section in the exam. To really understand what the author means, as well as be able to translate it, you should read...

With these essay questions, its important to mention both similarities and differences within the two extracts to obtain maximum marks. The two main words within the question 'compare' and 'contrast' ...

Take the example 2x² + 7x + 3 = 0

1. To factorise we need to use the general equation 'ax + bx - c = 0'   where in our case a = 2 b =7 c=3.

2. First we need to mulitply the ...

As the action potenial reaches the synaptic terminal depolarisation causes voltage-gated Ca²⁺ channels to open. The opening of these ion channels causes an influx of Ca²⁺ ions be...