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Science unit test review (The functions of the nucleus : control all the…
Science unit test review
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Diffusion:is the movement of particles from a high concentration to a low concentration until they are evenly spread out.
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This is how the smell of cooking travels around the house from the kitchen, for example.
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That osmosis involves the passage of water molecules from a region where there is more water to a region where there is less water through a selectively permeable membrane.
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Osmosis is important to plants. They gain water by osmosis through their roots. Water moves into plant cells by osmosis, making them turgid or stiff so that they are able to hold the plant upright.
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