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Sterilising petri dishes and agar before use. Taping lid of petri dish whilst microbes are glowing. Sterilising innoculating loops before use.Carry out experiment near bunsen burner for updraft. 

It can truly add pressure to a student when they have to remember quotes for their exam. How to go about selecting and revising them is also a struggle, however here are some step by step tips on how to d...

Definition

Innovation is the successful exploitation of new ideas. This is predominantly achieved through research and development (R&D). R&D is the necessary inves...

When solving a quadratic equation like this it is useful to write it in the form (x+a)(x+b)=0, as this is simply saying 'two numbers multiplied together equal zero'. A general rule in maths is that whenev...

At first, you might think that it is possible to perform this integral simply by inspection, using the 'backwards chain rule'. This method would consist of adding one to the power, to get cos³(...