character: James Watson
topic: Discovery of the DNA Double Helix
grade: 11
subject: Biology
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character: Francis Crick
topic: Structure of DNA
grade: 11
subject: Biology
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character: Rosalind Franklin
topic: X-ray Diffraction and DNA
grade: 11
subject: Biology
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character: Avery, MacLeod, and McCarty
topic: Transforming Principle and DNA
grade: 11
subject: Biology
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