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Writing in exam conditions can be very difficult. We often panic and start writing an answer to the question we think we have seen as opposed to the one we have actually been asked. It is also ve...

Firstly, before we even approach the bracket containing the x term, we want to deal with the fraction. The first step should be multiplying by 4 to cancel out the denominator on the right. This leaves us ...

Diffusion is the net movement of particles from an area of high concentration to an area of low concentration. This means that the particles of a substance move from where there is lots of it to where the...

For this answer I will be using the example question "Much American literature is based on the fantasy of the American Dream. Discuss." applied to The Great Gatsby by F. Scott Fitzgeral...

Using a light microscope, the lumen of the proximal convoluted tubule appears 'hairy' due to the presence of a brush border of microvilli. However, the lumen of the distal convoluted tubu...