character: Nina the Cell Explorer
topic: Introduction to Cell Structure and Organelles
grade: 9
subject: Science
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character: Professor Organelle
topic: Functions of Mitochondria and Chloroplasts
grade: 9
subject: Science
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character: Cellina the Scientist
topic: Comparing Plant and Animal Cell Organelles
grade: 9
subject: Science
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character: Dr. Cellbiologist
topic: The Role of Ribosomes and Endoplasmic Reticulum
grade: 9
subject: Science
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