Chemical methods of synthesis of polynucleotides

CONTENTS
I. Introduction 531
II. Methods of polymerisation 531
III. Homopolynucleotides 533
IV. Homopolynucleotides with different terminal nucleotides 534
V. Polynucleotides with a random distribution of purine and pyrimidine bases along the chain 535
VI. Polynucleotides with regularly alternating purine and pyrimidine bases 535