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Firstly, look at past papers. Knowing what has come up before helps a lot, and will be in the back of your mind as you revise, meaning you will begin to form arguments, and know what evidence you will inc...

Enzymes are proteins with specific tertiary structures. Part of this structure forms an active site. Only the substrate of an enzyme, in this case Maltose, fits/ binds to the active site. This forms an en...

'Novus Actus Intervenien' (NAI) essentially means an intervening act. This applies after you have gone through the stages required for Factual causation and Legal causation. You will know that a NAI appli...

'No Nonsense' Answer: Our equation is x^2 - 2x - 15 = 0 so we want to find two numbers that add to get -2 and multiply to get - 15. The possible numbers pairs that multiply to get -15 are...1 and -15, -1 ...

During DNA replication, the two DNA strands separate and each acts as a template (due to base pairing) for DNA polymerase to use to make the second strand of DNA. As a result, each new DNA molecule has on...