B-DNA

English

Etymology

B +‎ DNA. Coined by Rosalind Franklin, for the second of two forms discovered during her X-ray crystallography experiments on DNA.

Noun

B-DNA (countable and uncountable, plural B-DNAs)

  1. (uncountable) The default configuration of DNA in cells, right-hand twisting double helix with a significant size difference between major groove and minor groove, and approximately 10 base pairs per twist.
  2. (countable) A DNA helix in such a configuration.

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