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To make it easier for you to keep hold of your ideas, you can summarise your points in your introduction. For example, if I was writing an essay about Christmas, I might say; 'In order to explain what Chr...

f(x) = x³ + 2x² - x - 2 Use the factor theorem to test for f(1) = 0 f(1) = 1³ + 2*1² - 1 - 2 = 0 Therefore x = 1 is a solution and (x-1) is a factor of f(x) Now...

The calling of the first crusade by Pope Urban II in 1095 at Clermont can be seen as a response to the many pleas sent by the Byzantine Emperor, Alexios Comnenus. This was after vast swathes of land had b...

When we answer this question we need to focus on the differences in interactions that create the tertiary and quaternary structure of fibrous and globular proteins. For example, fibrous proteins are chara...

It is maintained primarily through the maintenance of a sodium and potassium gradient across the cell membrane. The concentration of sodium is high outside the cell, extra-cellularly, and the potassium co...