character: Francis Crick
topic: Helical Structure of DNA
grade: 11
subject: Biology
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character: James Watson
topic: Discovery of DNA Structure
grade: 11
subject: Biology
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character: Rosalind Franklin
topic: X-ray Diffraction of DNA
grade: 11
subject: Biology
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character: Molecular Biologists
topic: History of DNA Research
grade: 11
subject: Biology
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