character: Ms. Johnson
topic: Cell Membrane Dynamics
grade: 9
subject: Science
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character: Mr. Smith
topic: Diffusion and Osmosis
grade: 9
subject: Science
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character: Ms. Lee
topic: Cell Structure and Function
grade: 9
subject: Science
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character: Dr. Patel
topic: Membrane Transport Mechanisms
grade: 9
subject: Science
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