Meiosis

Our gametes are haploid cells produced from diploid cells by meiosis, a special type of cell division.

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Chlorophyll

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Bacteria (spheres, rods, spirals)

Bacteria occur in a wide range of shapes, including spheres, rods and spirals.

Enzymes

Enzymes are protein molecules catalysing biochemical reactions. Their activity can be...

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Eukaryotic cells contain a number of organelles.

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