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B1 (Cell Differentiation and Specialisation (Cells develop different sub…
B1
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Osmosis, Diffusion and Active Transport
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Cell membranes allow diffusion in and out of the cell as they are partially permeable to certain substances
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Osmosis is the diffusion of water from an area of high to low concentration through a partially permeable membrane
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Diffusion happens in our lungs, in plant cells and fish gills
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Microscopy
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Light microscopes use light and lenses to form an image and magnify it. They allow us to see individual cells
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Chromosomes, Mitosis and Binary Fission
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