The pentose that, as the d-isomer, is present in ribonucleic acid; epimers of d-r. are d-arabinose, d-xylose, and l-lyxose.

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ri·bose 'rī-.bōs, -.bōz n a pentose C5H10O5 found esp. in the levorotatory D-form as a constituent of a number of nucleosides (as adenosine, cytidine, and guanosine) esp. in RNA

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a pentose sugar (i.e. one with free carbon atoms) that is a component of RNA and several coenzymes. Ribose is also involved in intracellular metabolism.

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ri·bose (riґbōs) an aldopentose found in riboflavin and ribonucleic acid (RNA) as well as in free ribonucleosides and ribonucleotides.

Medical dictionary. 2011.

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  • Ribose — Structure du D ribose et du L ribose Général Nom IUPAC (2R,3S,4R) 5 (Hydroxymethyl) tetrahydrofuran …   Wikipédia en Français

  • ribose — [ riboz ] n. m. • 1932; de acide ribonique, de arabinose « principe soluble de la gomme arabique », et 1. ose ♦ Biochim. Ose de formule C5H10O5, présent dans l acide ribonucléique. La forme réduite du ribose est le désoxyribose. ● ribose nom… …   Encyclopédie Universelle

  • ribose — 1892, from Ger. Ribose (1891), shortened and arbitrarily rearranged from English arabinose (c.1880), a sugar which is so called because it is formed from gum arabic …   Etymology dictionary

  • ribose — s. f. [Química] Pentose que entra na composição de ácidos nucleicos.   ‣ Etimologia: alemão Ribose …   Dicionário da Língua Portuguesa

  • ribose — ribose. См. рибоза. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • ribose — [rī′bōs΄] n. [< Ger rib(onsäure), a tetra hydroxy acid, arbitrarily altered < arabinose,ARABINOSE + säure, acid + OSE1] a pentose sugar, C5H10O5, that is a basic component of RNA, riboflavin, etc …   English World dictionary

  • Ribose — D Ribose …   Wikipedia

  • Ribose — Strukturformel offenkettige Darstellung in der Fischer Projektion Allgemeines …   Deutsch Wikipedia

  • ribose — /ruy bohs/, n. Biochem. a white, crystalline, water soluble, slightly sweet solid, C5H10O5, a pentose sugar obtained by the hydrolysis of RNA. [1890 95; < G Ribose, earlier Ribonsäure, equiv. to Ribon (from Arabinose ARABINOSE, by arbitrary… …   Universalium

  • Ribose — Ri|bo|se 〈f. 19; Biochem.〉 Zuckerart mit fünf Sauerstoffatomen, wichtiger Bestandteil der Nukleinsäuren [durch Buchstabenvertauschung zu rib..., ribo... <Arabin „fester Bestandteil des Gummiarabikums“] * * * Ri|bo|se, hier D Ribose [aus… …   Universal-Lexikon

  • ribose — Pentose Pen tose, n. [Penta + ose.] (Chem.) Any of a group of sugars of the formula {C5H10O5}, such as as {arabinose} or {ribose}; so called from the five carbon atoms in the molecule. They are not fermented by yeast. [Webster 1913 Suppl.] …   The Collaborative International Dictionary of English

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