character: Diffusion
topic: Movement of Molecules Across Membranes
grade: 9
subject: Biology
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character: Osmosis
topic: Water Movement Across Semi-Permeable Membranes
grade: 9
subject: Biology
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character: Facilitated Diffusion
topic: Transport of Molecules with the Help of Proteins
grade: 9
subject: Biology
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character: Active Transport
topic: Movement of Molecules Against the Concentration Gradient
grade: 9
subject: Biology
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