character: Professor Mark Thompson
topic: Transport Mechanisms in Cells
grade: 9
subject: Biology
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character: Dr. Lisa Evans
topic: Cell Membrane Structure
grade: 9
subject: Biology
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character: Professor Sarah Geller
topic: Diffusion and Osmosis
grade: 9
subject: Biology
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character: Mr. James Lee
topic: Active and Passive Transport
grade: 9
subject: Biology
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