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Compartmentalisation - as different organelle's different metabolic reaction require different optimum environments such as pH and temperature. Site of chemical reactions such as photosynthesis or respira...

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When an action potential is transmitted from one neurone to another it has to be sent across a small gap - called the synapse. Firstly, the action potent...

When an action potential reaches the presynaptic bouton, it causes an influx of calcium into the nerve cell ending. This, in turn, causes vesicles containing the neurotransmitter (acetylcholine) to move t...

The effects of the Treaty of Versailles were extensive, and both political and economic in nature. Economic effects included the loss of 13% of Germany's territory, as well as 75% of its iron ore and 15% ...