character: Mr. Lee
topic: Understanding Antigens and Antibodies
grade: 9
subject: Science
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character: Dr. Smith
topic: The Immune Response: Antigens and Antibodies
grade: 9
subject: Science
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character: Ms. Johnson
topic: Basic Concepts of Immunology: Antigens and Antibodies
grade: 9
subject: Science
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character: Mr. Garcia
topic: The Role of Antigens in Disease and Vaccination
grade: 9
subject: Science
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