Definition of deoxyribose in English:
deoxyribose
noundɪˌɒksɪˈrʌɪbəʊsdɪˌɒksɪˈrʌɪbəʊzdēˌäksēˈrībōs
mass nounBiochemistry A sugar derived from ribose by replacement of a hydroxyl group by hydrogen.
Chemical formula; C₅H₁₀O₄. There are several isomers; the isomer 2-deoxyribose is a constituent of DNA
Example sentencesExamples
- The backbone of both strands in the double helix is a chain of linked phosphate and deoxyribose molecules.
- Sugars are vital components of life, e.g. the 5-carbon sugars ribose and deoxyribose are part of the skeletons of our information storage molecules, RNA and DNA respectively.
- Each nucleotide is composed of deoxyribose (a type of sugar), a phosphate group, and one of four nitrogen-containing bases.
- Another difference between DNA and RNA is that RNA contains ribose, rather than deoxyribose.
- For example, ribose and deoxyribose are essential for the formation of the backbone of RNA and DNA.
Origin
1930s: from de- (expressing reduction) + oxy-2 + ribose.