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GCSE Biology - AQA

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Things to consider (Osmosis Practical)

Autor: Muhammad Hassan 11B1



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RISKS: - Make sure that the potato is placed on a ceramic tile when using the cork borer – do not cut the potato cylinders towards your hand. - Care must be taken when using the scalpel. - Wear eye protection when using chemical solutions. This experiment shows the effect of osmosis on plant tissue. The cylinders will decrease or increase in mass if they lose or gain water by osmosis. Effects on plant tissues at a cellular level can be observed using a microscope. May be done on different plants: onions, beetroot - It is easy to see the process of plasmolysis in beetroot because the cell sap is red


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