character: Khan Academy
topic: Cell Membrane Structure and Function
grade: 9
subject: Biology
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character: Khan Academy
topic: Cell Structure and Function
grade: 9
subject: Biology
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character: Khan Academy
topic: The Fluid Mosaic Model of Membrane Structure
grade: 9
subject: Biology
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character: Khan Academy
topic: Transport across Cell Membranes
grade: 9
subject: Biology
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