Reports

DNA Polymerase Activities Associated with Smooth Membranes and Ribosomes from Rat Liver and Hepatoma Cytoplasm

Science  03 Jul 1970:
Vol. 169, Issue 3940, pp. 87-89
DOI: 10.1126/science.169.3940.87

Abstract

Deoxyribonucleic acid polymerase activity that prefers denatured DNA primer concentrates with the smooth membranes during sucrose gradient centrifugation of rat liver and hepatoma cytoplasmic extracts. The activity in this fraction is eightfold higher in hepatoma tissue. Deoxyribonucleic acid polymerase activity that prefers native DNA primer concentrates with the free ribosome fraction from both tissues.

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