On the lability of poly(A) sequences during extraction of messenger RNA from polyribosomes.

Adenine Nucleotides/isolation & purification Adenosine/metabolism Carbon Isotopes Centrifugation, Density Gradient Chloroform Drug Stability Electrophoresis Ethanol Hot Temperature L Cells/metabolism Peptides Phenols Polynucleotides/isolation & purification Potassium Chloride/pharmacology Pronase/pharmacology RNA, Messenger/biosynthesis,isolation & purification Ribosomes/analysis,drug effects Serum Albumin, Bovine Sodium Dodecyl Sulfate Tritium Uridine/metabolism

Adenine Nucleotides Carbon Isotopes Peptides Phenols Polynucleotides RNA, Messenger Tritium Serum Albumin, Bovine Sodium Dodecyl Sulfate Ethanol Potassium Chloride Chloroform Pronase Adenosine Uridine