the use of mercurated nucleotides ( as polymerase substrates ) and oligonucleotides ( as primers ) in conjunction with sulfhydryl-agarose chromatography provides a simple and efficient method for the isolation of selected polynucleotide sequences , such as specific in vitro transcription products or terminal fragments of duplex dna .
C0028953
oligonucleotides
C0032550
polynucleotide