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 ...

Nucleic acids are complex biological molecules that store and transmit genetic information in all living organisms. They are essential for the survival and reproduction of life on Earth. The two main ...

For instance, in a 1971 essay on the history of nucleic acid research ... discovery of the sugar-phosphate backbone of the DNA molecule was still years away. The large number of molecular groups ...