The backbone of a DNA molecule is made up of deoxyribose and phosphate groups. Deoxyribose is a sugar, and the phosphate groups connect the sugars of adjoining nucleotides, forming the structural framework of the DNA strand.
What components make up the backbone of a DNA molecule?
Purines and deoxyribose
Phosphate groups and pyrimidines
Pyrimidines and purines
Deoxyribose and phosphate groups
1 answer