83 TABLE 14 THE DEPENDENCY OF THE DEAE COLUMN FRACTION 38 INCORPORATION OF 3H-UMP UPON ADDED RIBONUCLEOSIDE TRIPHOSPHATES AND DNA Additions or Deletions CMP Percent of Control Complete 1488 - -DNA 187 13 -NTP 398 27 -ATP 168 11 -CTP 238 16 -GTP 178 12 + Pancreatic RNase (100 yg/ml) 355 24 The RNA polymerase assay reaction mixtures contained 20 yl of DCI in a total volume of 0.20 ml. The concentration of 3H-UTP was 0.016 mM, 2 Ci/mmole.