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
Examples of double helix in a Sentence
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The whole thing starts out with the two separate DNA double helices (or two locations of a single double helix) both inserted into the enzyme, with the DNA strands looking a bit like two U's with their bottoms facing each other.
—
John Timmer, Ars Technica, 26 June 2024
The story comes to us in two twisted strands, a double helix of past and present.
—Ron Charles, Washington Post, 12 June 2024
This is a far cry from the basic narrative of biology that has held sway since the discovery of the DNA double helix some 70 years ago, which was all about DNA leading to proteins.
—Philip Ball, Scientific American, 14 May 2024
The double helix structure of DNA was crucial in comprehending how genetic information is stored and transferred from one generation to the next.
—William A. Haseltine, Forbes, 27 Mar. 2024
See all Example Sentences for double helix 
John Timmer, Ars Technica, 26 June 2024
The story comes to us in two twisted strands, a double helix of past and present.
—Ron Charles, Washington Post, 12 June 2024
This is a far cry from the basic narrative of biology that has held sway since the discovery of the DNA double helix some 70 years ago, which was all about DNA leading to proteins.
—Philip Ball, Scientific American, 14 May 2024
The double helix structure of DNA was crucial in comprehending how genetic information is stored and transferred from one generation to the next.
—William A. Haseltine, Forbes, 27 Mar. 2024
See all Example Sentences for double helix
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'double helix.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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“Double helix.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/double%20helix. Accessed 14 Jul. 2024.
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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
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