MOLECULAR (i>\l I (JURATION OF NUCLEIC ACIDS 



Fig. 3. (Left): Molecular model of the B configuration of DNA. The sizes of the atoms 

 correspond to Van der Waals diameters. ( Right) : Diagram corresponding to the model. 

 The two polynucleotide chains, joined by hydrogen-bonded bases, may be seen 



clearly. 



s-38 



