what carbohydrate makes up dna
The carbohydrate in DNA is deoxyribose. More fully, the name is beta-D-2-deoxyribose. DNA is a polymer of nucleotides. Each nucleotide consists of a phosphate group, â¦ a molecule of deoxyribose, and one of four bases. Deoxyribose is a pentose sugar (it has five carbon atoms). In DNA the sugar residue includes a five-membered ring comprising four of the carbons and one oxygen atom.