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Within a population of a species there will be variation between individuals. These variations arise because of mutations causing differences in alleles and phenotypes. Some individuals will have an allele w...

The Loop of Henle is an important part of the kidney nephron in forming concentrated urine. It is a long loop, which forms something known as a hairpin countercurrent mechanism. It is called countercurrent b...

The Agamemnon is the first play of the trilogy of The Oresteia by Aeschylus, and was first performed around 458BC. The Agamemnon tells the story of Agamemnon’s’ nostos after the fall of Troy, and the trails ...

You can have a standard introduction format that you can apply to most of your answers which will make things easier in the exam. A good introduction is important as it sets the tone for your answer and give...

The induced fit model is a way of explaining how an enzyme can aid in a biological reaction. When the active site of an enzyme comes into contact with the substrate, the enzyme will attempt to mould itself a...