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double helix
(redirected from Double helices)

    Also found in: Medical, Wikipedia 0.02 sec.
double helix
n.
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.
double helix
n
(Life Sciences & Allied Applications / 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
double helix
The three-dimensional structure of double-stranded DNA, in which polymeric nucleotide strands whose complementary nitrogen bases are linked by hydrogen bonds form a helical configuration. The two DNA strands are oriented in opposite directions.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.double helixdouble helix - a pair of parallel helices intertwined about a common axis; "the shape of the DNA molecule is a double helix"
helix, spiral - a curve that lies on the surface of a cylinder or cone and cuts the element at a constant angle


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? Mentioned in ? References in periodicals archive
 
The new synthetic structures offer a means for studying how natural and lab-made double helices form and bind to other molecules, such as DNA.
Self-made molecules do the double twist by Amato, Ivan / Science News
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