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double helix Definition

double helix

noun

the characteristic helical structure of the two complementary chains of nucleotides in DNA: the chains are linked by hydrogen bonds and coil around a single axis

double helix Usage Examples

Converse of object

  • form: DNA molecules have two distinct strands which are held together by weak hydrogen bonds to form a double helix.
  • discover: Watson and Crick explained the x-ray data of Wilkins and Franklin, and so discovered the double helix.
  • have: Less than a year later he and Crick had the double helix.
  • make: DNA is a double helix made from two strands which are joined together by pairs of bases.

Adjective modifier

  • famous: Think of DNA and the famous double helix usually springs to mind.