character: Professor John Smith
topic: The Role of Antigens in T Cell Activation
grade: 12
subject: Biology
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character: Dr. Emily Carter
topic: Mechanisms of T Cell Recognition and Activation
grade: 12
subject: Biology
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character: Dr. Alan Brown
topic: The Immune System and its Response to Pathogens
grade: 12
subject: Biology
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character: Ms. Laura Johnson
topic: Cellular Signaling in Immune Responses
grade: 12
subject: Biology
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