deoxyribose

American  

[dee-ok-si-rahy-bohs] / diˌɒk sɪˈraɪ boʊs /

noun

Biochemistry.

1. any of certain carbohydrates derived from ribose by the replacement of a hydroxyl group with a hydrogen atom.

2. the sugar, HOCH 2 (CHOH) 2 CH 2 CHO, obtained from DNA by hydrolysis.

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deoxyribose British  

/ -bəʊz, dɛsˌɒksɪˈraɪbəʊs, -bəʊz, diːˌɒksɪˈraɪbəʊs /

noun

1. a pentose sugar obtained by the hydrolysis of DNA. Formula: C 5 H 10 O 4

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deoxyribose Scientific  

/ dē-ŏk′sē-rī′bōs′ /

1. The sugar found in the side chains of DNA, differing from ribose in having a hydrogen atom instead of an OH group on one of its carbon atoms. Chemical formula: C ₅ H ₁₀ O ₄ .

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Etymology

Origin of deoxyribose

First recorded in 1930–35; deoxy- + ribose

Compare meaning

How does deoxyribose compare to similar and commonly confused words? Explore the most common comparisons:

• ribose vs. deoxyribose

Example Sentences

For the study, the 5-carbon sugar deoxyribose, which forms the backbone in DNA, was replaced by a 4-carbon sugar.

From Science Daily • Mar. 8, 2024

Working with Ramanarayanan Krishnamurthy’s team at the Scripps Research Institute in La Jolla, Calif., he and his colleagues showed that the ribonucleosides cytidine and uridine could be transformed into deoxyribose and the nucleoside and deoxyadenosine.

From Scientific American • Jun. 22, 2020

Each base is bonded to a five-carbon sugar called deoxyribose.

From Textbooks • Feb. 14, 2019

Each strand is composed of nucleotides bonded together covalently between the phosphate group of one and the deoxyribose sugar of the next.

From Textbooks • Apr. 25, 2013

In the case of RNA, the five-carbon sugar is ribose, not deoxyribose.

From Textbooks • Apr. 25, 2013