Читать книгу Snyder and Champness Molecular Genetics of Bacteria - Tina M. Henkin - Страница 136

Except for the sequence of bases and minor differences in the pitch of the helix, little distinguishes one DNA molecule from another. However, RNA chains generally have more structural properties than DNA and often are folded into complex structures that have important biological roles. Extensive base modifications can further change the structure of the RNA molecule.