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Deoxyribose

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Definition

noun

(1) An aldopentose (i.e. a monosaccharide with five carbon atoms) derived from the pentose sugar ribose by the replacement of a hydroxyl group with a hydrogen atom at the 2 position, leading to the net loss of an oxygen atom (hence the name).

(2) The sugar component in the side chains of DNA, in contrast to the ribose in the side chains of RNA.


Supplement

Word origin: deoxy + ribose (sugar)
Related forms: deoxyribo-

Chemical formula: C6H10O4

Also called:

  • D-deoxyribose
  • 2-deoxyribose

Compare: ribose

Related terms: