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Watson-Crick model


from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A three-dimensional model of the DNA molecule, consisting of two complementary polynucleotide strands wound in the form of a double helix and joined in a ladderlike fashion by hydrogen bonds between the purine and pyrimidine bases.


After James Dewey Watson and Francis Henry Compton Crick.
(American Heritage® Dictionary of the English Language, Fourth Edition)


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