The sugar-phosphate backbone forms the structural framework of nucleic acids, including DNA and RNA. This backbone is composed of alternating sugar and phosphate groups, and defines directionality ...

DNA, which stands for deoxyribonucleic acid, resembles a long ... Combinations of these atoms form the sugar-phosphate backbone of the DNA -- the sides of the ladder, in other words.

Nucleotides are the building blocks of the two nucleic acids ... backbones of DNA and RNA. Phosphate is also involved, creating what is known as a sugar-phosphate backbone. Phosphate is composed ...