character: Mr. Johnson
topic: Understanding Cell Membrane Permeability
grade: 11
subject: Biology
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character: Ms. Thompson
topic: Cell Membrane Structure and Function
grade: 11
subject: Biology
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character: Dr. Smith
topic: Transport Mechanisms Across Cell Membranes
grade: 11
subject: Biology
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character: Mrs. Lee
topic: Effects of Environmental Factors on Membrane Permeability
grade: 11
subject: Biology
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