character: Active Transport
topic: Movement of proteins against the concentration gradient
grade: 9
subject: Science
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character: Diffusion
topic: Movement of molecules from high to low concentration
grade: 9
subject: Science
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character: Osmosis
topic: Movement of water across a semipermeable membrane
grade: 9
subject: Science
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character: Facilitated Diffusion
topic: Transport of substances through a cell membrane along the concentration gradient
grade: 9
subject: Science
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