title: Premelting changes in DNA conformation.
mesh_terms: D001665:Binding Sites; D002942:Circular Dichroism; D004247:DNA / Q000378:metabolism / Q000528:radiation effects; D005557:Formaldehyde; D006860:Hydrogen Bonding; D007700:Kinetics; D046911:Macromolecular Substances; D008722:Methods; D009690:Nucleic Acid Conformation; D009691:Nucleic Acid Denaturation; D009695:Nucleic Acid Renaturation; D009904:Optical Rotation; D009905:Optical Rotatory Dispersion; D013055:Spectrophotometry, Infrared; D013059:Spectrum Analysis, Raman; D013696:Temperature; D014466:Ultraviolet Rays; D014961:X-Ray Diffraction
chemical_list: D046911:Macromolecular Substances; D005557:Formaldehyde; D004247:DNA