character: Dr. Emily Chen
topic: Intercellular Communication Mechanisms
grade: 12
subject: Biology
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character: Dr. Sarah Evans
topic: Cell Signaling Pathways
grade: 12
subject: Biology
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character: Dr. Michael Smith
topic: Hormonal Control and Signaling
grade: 12
subject: Biology
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character: Dr. Lisa Johnson
topic: Neurotransmitter Release and Reception
grade: 12
subject: Biology
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