Later it was found that the sugar in nucleic acid can be ribose or deoxyribose ... as the genetic molecule. Scientists still needed to figure out this molecule's structure to be sure, and to ...

The structure of a nucleotide, consisting of a phosphate group (left), a pentose sugar molecule (middle), and a nitrogenous base (right). (Image: Public Domain) Ribonucleotides are the building blocks ...

It is a polymeric molecule composed of nucleotides, each containing a ribose sugar, a phosphate group ... and has a single-stranded structure. Comparison of a single-stranded RNA and a double-stranded ...

What have we learned about RNA structure and function so far? Although RNA is a single-stranded molecule, researchers soon discovered that it can form double-stranded structures, which are ...