character: Ms. Sarah Johnson
topic: Introduction to Cell Membranes
grade: 10
subject: Biology
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character: Mr. Alex Smith
topic: Biological Membranes and Their Functions
grade: 10
subject: Biology
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character: Dr. Emily Clark
topic: Structure of Cell Membranes: Lipids and Proteins
grade: 10
subject: Biology
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character: Mrs. Laura Chen
topic: Transport Mechanisms Across Cell Membranes
grade: 10
subject: Biology
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