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A sequence of three DNA nucleotide bases makes up a triplet. This triplet codes for one of 20 specific amino acids. The genetic code is universal because it is the same in all living orga...

This method is known as the tennis match, and also serves as good revision method. It includes prior drafting of an essay, of which there is definitely time within A level exams for. Take a piece of paper...

This is a separable differential equation, so the first step is to separate the two variables. Factorise out the x from the top bracket so that the equation becomes: dy/dx = x(y^2+1)/yThe next step is to ...

Scale can play a hugely important role in the purpose of a painting, and often should not be overestimated when formally analysing a painting. Scale often denominates genre, and how that genre was respect...

Many exam boards require the use of literary criticism in order to colour, shape and add direction to A Level responses. Higher scoring essays demonstrate an engagement as well as recognition of these sec...