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Endopeptidases hydrolyse internal (peptide bonds) OR exopeptididases remove amino acids/hydrolyse (bonds) at the ends therefore there are more ends/increase in surfacae area for expopeptidases to work on....

The other type of enzyme required is a dipeptidase. 

To solve this equation we need to expand the right hand side to get: x^2 = 4(x^2-6x+9), then we multiply whats in the bracket by 4 to get: x^2 = 4x^2 - 24x +36. We can subtract x^2 from both sides to give...

Make sure that you keep an eye on the time, and plan out how long you're going to spend on each question in advance of the exam. Always start by taking a moment to think about your answers, and annotate t...

Introduction - Define key points e.g. Feminist readings of the play, introduce main characters and relationships e.g. Eva Green as victim of the patriarchal oppression that Mrs Birling and Sheila are also...