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Part 1 asks you to explain a certain theory or argument. The key word here is 'explain'. This means you should not add any evaluative comments that show your opinion- save that for Part 2.

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Homeostasis refers to the processes that occur in our bodies to maintain various factors at set values. An example of this is control of body temperature. For example, if the temperature is too high, we b...

PCR stands for polymerase chain reaction. It is a technique used very commonly in molecular biology. It is a way of replicating one strand of DNA into many copies that can then be studied. The components ...

The analysis of theatre semiotics is a methodology developed by Elaine Aston and George Savona that considers performance as a system of signs that create meanings.

In their book Thea...