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character: Cellular Sam
topic: Negative and Positive Feedback in Organisms
grade: 11
subject: Biology
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character: Cellular Sam
topic: Homeostasis and Feedback Mechanisms
grade: 11
subject: Biology
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character: Cellular Sam
topic: Regulation of Biological Processes
grade: 11
subject: Biology
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character: Cellular Sam
topic: Cell Communication and Signal Transduction
grade: 11
subject: Biology
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