title: Co-operative non-enzymic base recognition. 3. Kinetics of the helix-coil transition of the oligoribouridylic--oligoriboadenylic acid system and of oligoriboadenylic acid alone at acidic pH.
mesh_terms: D000227:Adenine Nucleotides; D001483:Base Sequence; D005815:Genetic Code; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D008956:Models, Chemical; D008967:Molecular Biology; D011119:Polynucleotides; D013696:Temperature; D014500:Uracil Nucleotides
chemical_list: D000227:Adenine Nucleotides; D011119:Polynucleotides; D014500:Uracil Nucleotides