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Ribose and Deoxyribose. The 5-carbon sugars ribose and deoxyribose are important components of nucleotides, and are found in RNA and DNA, respectively. The sugars found in nucleic acids are pentose sugars; a pentose sugar has five carbon atoms. A combination of a base and a sugar is called a nucleoside.Ribose, found in RNA, is a normal sugar, with one oxygen atom attached to each carbon atom. Deoxyribose, found in DNA, is a modified sugar, lacking one oxygen atom (hence the name deoxy).he 5-carbon sugars ribose and deoxyribose are important components of nucleotides, and are found in RNA and DNA, respectively.
Ribose is also a five-carbon sugar but found in RNA molecules. Ribose has a hydroxyl group in carbon 2, which resulting in an electrostatic negative charge for the molecule. Because of this charge, it repels the negatively charged phosphate group attached to the carbon 1 of the ribose, resulting uncoiled RNA molecules, unlike the DNA molecules. What is the difference between Deoxyribose and Ribose? DNA/RNA: Deoxyribose is the sugar found in DNA. Ribose is the sugar found in RNA. Structure: Deoxyribose lacks oxygen atom on carbon 2 of the sugar ring. Ribose has a hydroxyl group on carbon 2 of the sugar ring. Impact for the final structure: