from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A pentose sugar, C5H10O5, occurring as a component of riboflavin, nucleotides, and nucleic acids.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A naturally occurring pentose sugar, which is a component of the nucleosides and nucleotides that comprise the nucleic acid biopolymer, RNA. It is also found in riboflavin.

from The Century Dictionary and Cyclopedia

  • n. A syrupyl pentose, C5H10O5, formed by reducing ribonic acid with sodium amalgam and very dilute sulphuric acid.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a pentose sugar important as a component of ribonucleic acid


from The American Heritage® Dictionary of the English Language, 4th Edition

German, alteration of English arabinuse, a kind of sugar : (gum) arab(ic) + -in + -ose2.


  • One of the most beneficial mutations, seen repeatedly in separate cultures, was the bacterium’s loss of the ability to make a sugar called ribose, which is a component of RNA.

    The Edge of Evolution

  • The energy in your body is stored in packets called ATP as well as phosphocreatine, which are made up of a number of chemicals including a sugar called ribose, adenine which used to be called vitamin B4, and derivatives of B vitamins.

    You Being Beautiful

  • The second part of the first problem involves the production of ribose, one of the constituents of RNA.

    2009 August - Telic Thoughts

  • But he did in Catalina, and the ribose did not immediately start the usual quick slide into tar when a pinch of boron was added.

    First Contact

  • Instead it stayed clear, and a very excited Benner believed he had found a way to allow the essential ribose to be created on early Earth while still keeping water in the picture.

    First Contact

  • This is a significant issue in the origins-of-life world because ribose is the R of RNA, and it has to be stable enough at some point to bond with the other elements.

    First Contact

  • Benner long knew that the element boron at least temporarily blocked the decomposition of ribose in water, but he had never before thought to throw it into the origin-of-life chemical mix.

    First Contact

  • Benner had been on Catalina Island, off Los Angeles, with a group of geologists, and he was leading them through some experiments involving the sugar ribose, a mineral with calcium in it, and water.

    First Contact

  • Another problem to overcome in building a cell is that the individual elements of the genetic material (ribose, a sugar) and of the proteins (amino acids) are “hostile” to each other.

    Modern Science in the Bible

  • Qian JJ, Duncan BW, Adzick NS, Bhatnagar RS: Regulation of prolyl hydroxylase by ascorbic acid is mediated by polyADP-ribose synthesis.

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