character: Cell Membrane
topic: Types of Passive Transport
grade: 9
subject: Biology
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character: Osmosis
topic: Passive Transport of Water
grade: 9
subject: Biology
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character: Diffusion
topic: Movement of Molecules from High to Low Concentration
grade: 9
subject: Biology
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character: Facilitated Diffusion
topic: Transport of Substances through Protein Channels
grade: 9
subject: Biology
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