the fragment of dna including three nucleotide pairs was taken into account for polynucleotides poly [ d ( a -- t ) ] .poly [ d ( t -- a ) ] , poly [ d ( g -- c ) ] .poly [ d ( c -- g ) ] , poly ( da ) .poly ( dt ) and poly ( dg ) .poly ( dc ) .
C0028630
nucleotide
C0032550
polynucleotides