double helix(redirected from Watson-Crick helix)
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Related to Watson-Crick helix: Francis Crick
The coiled structure of double-stranded DNA in which strands linked by hydrogen bonds form a spiral configuration, with the two strands oriented in opposite directions.
(Biochemistry) biochem the form of the molecular structure of DNA, consisting of two helical polynucleotide chains linked by hydrogen bonds and coiled around the same axis
the spiral arrangement of the two complementary strands of DNA.