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The subjunctive is a verbal mode, a way that we can change a verb so that it expresses a certain meaning. Normally we use the indicative mode to indicate something certain or regular, e.g. "Je vais à...

Protein structure is determined by amino acid sequence. Each amino acid is coded for by a triplet of RNA bases. These are transcribed from a DNA molecule. If a DNA base is substituted for another base, th...

Culture refers to the norms, values and customs that help make 'the way of life' of a particular society. Commentators have dubbed this culture to operate on a global level. One characteristic of the glob...

John tries to forge his own personal identity outside of his community. Described as a ‘black Bildungsroman’, Go Tell It ‘is a young protagonists struggle to invent himself’. Baldwin establishes ...

Firstly, recognise the relevant equations. The two functions are y = mx and y = ln(x). As the straight line is a tangent, we know that at a certain point x₀, the functions and ...