Structural studies on the ribosomes of Paramecium: evidence for a "primitive" animal ribosome.

Animals Densitometry Deuterium Electrophoresis Electrophoresis, Disc In Vitro Techniques Magnesium Methods Molecular Weight Paramecium/analysis,cytology Proteins/analysis RNA/analysis Ribonucleases/metabolism Ribosomes/analysis Sucrose Ultracentrifugation

Proteins Sucrose RNA Deuterium Ribonucleases Magnesium