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 ...

The structure of DNA can also be described as a ladder. The chemical backbones of the ladder are made up of sugar and phosphate molecules that are connected by chemical bonds. The rungs of the ...

internally crosslinked by the covalent backbone of a single DNA molecule. The spontaneous formation of well-defined ...

The remaining positions are occupied by carbon atoms, forming the backbone of important nucleobases in DNA and RNA. (Image: Public Domain) Types of Pyrimidines in Nucleic Acids There are three types ...