Definition of double helix in English:

double helix

Syllabification: dou·ble he·lix

noun

  • A pair of parallel helices intertwined about a common axis, especially that in the structure of the DNA molecule.
    More example sentences
    • In an actin filament, two chains of actin beads wrap around each other in yet another double helix.
    • Clearly, the rigidity is different for the regions consisting of one double helix or two double helices and the bends are likely to be localized at certain points within the unit.
    • The opening of basepairs in DNA double helices is a prerequisite for propagation and expression of genetic information.

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Word of the day tortie
Pronunciation: ˈtɔːtiː
noun
a tortoiseshell cat

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