character: Dr. Smith
topic: DNA Extraction Methods
grade: 10
subject: Biology
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character: Dr. Johnson
topic: Techniques for Isolating DNA
grade: 10
subject: Biology
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character: Ms. Brown
topic: DNA Purification Techniques
grade: 10
subject: Biology
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character: Mr. Lee
topic: Comparative Analysis of DNA Extraction Methods
grade: 10
subject: Biology
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