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A pentose sugar, C5H10O4, that is a constituent of DNA and differs from ribose in having a hydrogen atom instead of a hydroxyl group on one of its carbon atoms.


(diːˌɒksɪˈraɪbəʊs; -bəʊz) or


(Biochemistry) a pentose sugar obtained by the hydrolysis of DNA. Formula: C5H10O4


(diˌɒk sɪˈraɪ boʊs)

1. any of certain carbohydrates derived from ribose by the replacement of a hydroxyl group with a hydrogen atom.
2. the sugar, HOCH2(CHOH)2CH2CHO, obtained from DNA by hydrolysis.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.deoxyribose - a sugar that is a constituent of nucleic acidsdeoxyribose - a sugar that is a constituent of nucleic acids
carbohydrate, saccharide, sugar - an essential structural component of living cells and source of energy for animals; includes simple sugars with small molecules as well as macromolecular substances; are classified according to the number of monosaccharide groups they contain
References in periodicals archive ?
The ROS include powerful free radicals such as superoxide, hydrogen peroxide, and hydroxyl ions; these can damage cell membranes, nucleic acids such as desoxyribose nucleic acid (DNA), and proteins, leading to senescence.