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Diffusion is defined as the movement of a substance from a high concentration to a low concentration, meaning they move from where there are lots of them to where there are fewer. Diffusion of these molecule...

It's fantastic if you manage to learn all your notes before the exam, but knowledge isn't everything. It's also about how you apply the knowledge. I would recommend getting to grips with the syllabus, and pa...

When a cell replicates to produce 2 identical copies of the origional cell

In questions like this, you must set out your answer clearly (which makes it easier for the marker to give you marks). One way of doing this is writing sentences such as: _____ in the hormonal response, comp...

Mitosis , or cell division, is a process where a single cell divides into two identical daughter cells . When answering this question it is important to be clear about what is being replicated. Simply saying...