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double helix
noun
: a helix or spiral consisting of two strands in the surface of a cylinder that coil around its axis
especially : the structural arrangement of DNA in space that consists of paired polynucleotide strands stabilized by cross-links between purine and pyrimidine bases compare alpha-helix, watson-crick model
Example Sentences
Recent Examples on the Web Both things are in there — the double helix of early New York DNA. 
Alice Mcdermott, New York Times, 22 June 2022 This model has the benefit of a spinning double helix of water streams that’s certain to douse your opponent. Zachary Mack, Popular Mechanics, 30 June 2022 That note contained a crude, stick-figure representation of a human, a DNA double helix, atomic numbers of the chemicals necessary for life on Earth and a drawing of the telescope, which collapsed in 2020. Sarah Kuta, Smithsonian Magazine, 18 May 2022 The previous record for a Nobel was set at $4.76 million in 2014, when James Watson auctioned his 1962 award for co-discovering the double helix structure of DNA. Ellen Francis, Washington Post, 21 June 2022 Cultural criticism and autobiography, then, are the two strands of Jefferson's literary double helix. Rhoda Feng, The Week, 12 Apr. 2022 First, the process would heat the DNA to break its double helix structure into two strands. Roxanne Khamsi, Scientific American, 16 Feb. 2022 Steckl said the magic stems from the double helix shape of salmon DNA. Laine Welch | Fish Factor, Anchorage Daily News, 28 Dec. 2021 In 1953, Watson and his collaborator Francis Crick discovered the structure of DNA—the famous double helix. Elizabeth Kolbert, The New Yorker, 25 Oct. 2021 See More
Alice Mcdermott, New York Times, 22 June 2022 This model has the benefit of a spinning double helix of water streams that’s certain to douse your opponent. Zachary Mack, Popular Mechanics, 30 June 2022 That note contained a crude, stick-figure representation of a human, a DNA double helix, atomic numbers of the chemicals necessary for life on Earth and a drawing of the telescope, which collapsed in 2020. Sarah Kuta, Smithsonian Magazine, 18 May 2022 The previous record for a Nobel was set at $4.76 million in 2014, when James Watson auctioned his 1962 award for co-discovering the double helix structure of DNA. Ellen Francis, Washington Post, 21 June 2022 Cultural criticism and autobiography, then, are the two strands of Jefferson's literary double helix. Rhoda Feng, The Week, 12 Apr. 2022 First, the process would heat the DNA to break its double helix structure into two strands. Roxanne Khamsi, Scientific American, 16 Feb. 2022 Steckl said the magic stems from the double helix shape of salmon DNA. Laine Welch | Fish Factor, Anchorage Daily News, 28 Dec. 2021 In 1953, Watson and his collaborator Francis Crick discovered the structure of DNA—the famous double helix. Elizabeth Kolbert, The New Yorker, 25 Oct. 2021 See More Word History
First Known Use
1954, in the meaning defined above
Time Traveler
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