character: James Watson
topic: Discovery of DNA Structure
grade: 3
subject: Writing
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character: Francis Crick
topic: The Double Helix
grade: 3
subject: Writing
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character: Rosalind Franklin
topic: X-ray Diffraction and DNA
grade: 3
subject: Writing
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character: Watson and Crick Together
topic: How DNA Carries Genetic Information
grade: 3
subject: Writing
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