A Specialised Plant Cell…

This entry is part 4 of 5 in the series Cell Structure

A root hair cell is a typical plant cell in that it has a cell wall and a large vacuole, but it has a special shape to increase its surface area making it very effective at absorbing water. It doesn’t have chloroplasts because it is underground where there is no light. The root hairs emerge …
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A Typical Animal Cell…

This entry is part 1 of 5 in the series Cell Structure

A cheek cell is a typical animal cell. With a light microscope you can clearly see the cell surface membrane, nucleus and the cytoplasm. You would probably struggle to identify the mitochondria. The cell membrane… forms a thin covering to the cell controls what enters and leaves the cell allows oxygen and dissolved food substances …
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That Is, Like, SO Unfair…

This entry is part 4 of 10 in the series How Science Works

I have noticed an occasional confusion over the phrase ‘fair test’ and I am even ashamed to say that I have allowed it to appear in one of my booklets in an incorrect context. It is an important phrase so I would like to offer a brief explanation. In an experiment, it is important only …
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