Double helix (disambiguation)

Double helix (disambiguation)

In geometry, a double helix (plural double helices) is a pair of congruent geometrical helices with the same axis, differing by a translation along the axis.

The term is most often used in reference to the nucleic acid double helix, the dominant structure of nucleic acids such as DNA and RNA.

Double helix may also refer to:


Science and engineering

  • Double helix, the structure of DNA
  • Double Helix Nebula, a gaseous nebula in the Milky Way Galaxy
  • Double helical gear, also known as a herringbone gear
  • The Helix Bridge, a bridge shaped as the double helix located at the Marina Bay, Singapore.
  • Double Helix methodology, a process for systems development.

Gaming and animation


  • The Double Helix, a book about the discovery of the double-helical structure of DNA
  • Double Helix, a 2004 novel by Nancy Werlin
  • Star Trek: Double Helix, a six-book miniseries and a spinoff of the Star Trek: The Next Generation book series
    • Double Helix: Double or Nothing, a book in the aforementioned series

Other uses

  • "Double Helix", an episode of the TV series The Outer Limits
  • Double Helix (band), a hard rock band
  • Double Helix Corporation, a St. Louis, Missouri organization that owns several television and radio channels

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  • Nucleic acid thermodynamics — is the study of the thermodynamics of nucleic acid molecules, or how temperature affects nucleic acid structure. For multiple copies of DNA molecules, the melting temperature (Tm) is defined as the temperature at which half of the DNA strands are …   Wikipedia

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