after 30 min incubation at 37 degrees c and precipitation of the high-molecular polynucleotides as well as of protein by means of methylglycol and barium perchlorate the not precipitable low-molecular oligonucleotides which were produced by ribonuclease action , were spectrophotometrically measured in the supernatant at 260 nm .
C0032550
polynucleotides
C0028953
oligonucleotides