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fDesc[0] = "Insert channels in a membrane and see what happens. See how different types of channels allow particles to move through the membrane.<br /> Main Topics:<br /> <br /> -Membrane Channels<br /> -Cell Membrane<br /> -Diffusion<br /> Sample Learning Goals:<br /> <br /> -Predict when particles will move through the membrane and when they will not.<br /> -Identify which particle type will diffuse depending on which type of channels are present.<br /> -Predict the rate of diffusion based on the number and type of channels present.";

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