character: Professor Smith
topic: Introduction to Cell Biology
grade: 9
subject: Biology
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character: Dr. Green
topic: Cell Membrane Structure and Function
grade: 9
subject: Biology
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character: Ms. Johnson
topic: Cell Organelles and Their Functions
grade: 9
subject: Biology
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character: Mr. Lee
topic: Cell Division: Mitosis and Meiosis
grade: 9
subject: Biology
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