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Failing to distinguish between these two important command words can result in a lot of lost marks! ‘Describe’ involves writing a literal description of the data that is in front of you, may it be a gr...

It is important to look at the shape of each line.  Regardless of the species, the line with the largest, solitary spike is LH (luteinising hormone) and this occurs just before ovulation.  The line whi...

Antibiotics are used to treat various diseases and ailments by targetting the bacteria which cause said diseases. Bacteria are subject to natural selection and evolution like any other organism. Random...

Most of our characteristics, such as eye colour, are encoded by a pair of alleles. These are different forms of the same gene, one inherited from the father and one from the mother. You can get dominant a...

Imagine someone sprays a deodorant from across the room, eventually it will make its way over to where you are and you can smell it. Diffusion is the spreading out of particles resulting in a net movem...