character: Dr. Patel
topic: Active Transport vs. Passive Transport
grade: 9
subject: Biology
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character: Ms. Johnson
topic: Cell Membrane Functions
grade: 9
subject: Biology
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character: Mr. Lee
topic: Cellular Processes: Diffusion and Osmosis
grade: 9
subject: Biology
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character: Dr. Smith
topic: How Cells Communicate: Transport Mechanisms
grade: 9
subject: Biology
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