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double helix
noun
- the spiral arrangement of the two complementary strands of DNA.
double helix
noun
- 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.
Word History and Origins
Origin of double helix1
Example Sentences
These are called HZE particles, and they’re potent enough to break the interwoven strands of DNA’s double helix.
Normally, our DNA exists in double helices that are tightly wrapped into 23 bundles, called chromosomes.
Bagdavadze, originally from the Georgia that doesn’t border Florida, makes paintings and hand-finished prints of DNA double helixes that are inspired by having been a bone-marrow donor for her sister.
The discovery of the double helix shape of DNA, for example, skyrocketed insights into how genetic information is copied and stored.
They also stored a 3-D origami double helix and a 4-D hypercube known as a tesseract.
These drugs interfere with the double helix zip-unzip-zip-again process of RNA and DNA replication.
This process, known as epigenetics, involves the addition of small chemical tags known as methyl groups to the DNA double helix.
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