title: The presence of a polyadenylic acid-dependent DNA polymerase in calf lens.
mesh_terms: D000249:Adenosine Monophosphate; D000645:Ammonium Sulfate; D000818:Animals; D002417:Cattle; D002499:Centrifugation, Density Gradient; D002712:Chlorides; D002848:Chromatography, DEAE-Cellulose; D004254:DNA Nucleotidyltransferases / Q000032:analysis / Q000302:isolation & purification*; D004848:Epithelium / Q000032:analysis; D005136:Eye Proteins / Q000032:analysis; D007908:Lens, Crystalline / Q000201:enzymology*; D008274:Magnesium; D008345:Manganese; D011189:Potassium Chloride; D012194:RNA-Directed DNA Polymerase / Q000032:analysis; D012588:Scintillation Counting; D013395:Sucrose; D013698:Templates, Genetic; D014316:Tritium
chemical_list: D002712:Chlorides; D005136:Eye Proteins; D014316:Tritium; D000249:Adenosine Monophosphate; D008345:Manganese; D013395:Sucrose; D011189:Potassium Chloride; D004254:DNA Nucleotidyltransferases; D012194:RNA-Directed DNA Polymerase; D008274:Magnesium; D000645:Ammonium Sulfate