Messenger RNA-protein complexes and newly synthesized ribosomal subunits: analysis of free particles and components of polyribosomes.

Biological Transport Cell Fractionation Cell Line Centrifugation, Density Gradient Centrifugation, Zonal Chlorides/pharmacology Culture Techniques Detergents Edetic Acid Hypotonic Solutions Isotonic Solutions L Cells Lithium/pharmacology Methods Nucleic Acid Hybridization Nucleoproteins/analysis,isolation & purification,pharmacology Proteins/analysis,antagonists & inhibitors Puromycin/pharmacology RNA, Messenger/analysis,biosynthesis Ribosomes/analysis,metabolism Tritium Uridine

Chlorides Detergents Hypotonic Solutions Isotonic Solutions Nucleoproteins Proteins RNA, Messenger Tritium Puromycin Lithium Edetic Acid Uridine