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| Description: Secondary and Tertiary Structure of Nucleic Acids a) The random coil structure of denatured single strands. There is flexibility of rotation of residues and no specific structure. b) Stacked-basostructure adapted by non–self-complementary single strands under “native” conditions. Bases stack to pull the chain into a helix, but there is no H-bonding. c) Hairpin structures formed by self-complementary sequences; the chain folds back on itself to make a stem–loop structure. Picture Stats: Views: 263 Filesize: 134.91kB Height: 912 Width: 313 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=33887 |