character: Dr. Lee
topic: Cellular Communication and Signaling
grade: 11
subject: Biology
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character: Dr. Smith
topic: Cell Signaling Pathways
grade: 11
subject: Biology
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character: Ms. Johnson
topic: Hormonal Regulation in Cells
grade: 11
subject: Biology
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character: Mr. Brown
topic: Neurotransmission and Synaptic Signaling
grade: 11
subject: Biology
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