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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 ...

Deoxygenated blood