Physical properties and protein constituents fo cytoplasmic and mitochondrial ribosomes of Xenopus laevis.

Animals Centrifugation, Density Gradient Chromatography, DEAE-Cellulose Chromatography, Gel Cytoplasm/analysis DNA, Mitochondrial/metabolism Electrophoresis, Polyacrylamide Gel Female Iodine Radioisotopes Mitochondria/analysis Molecular Weight Ovary/analysis,cytology,metabolism Phenylalanine/metabolism Poly U Protein Biosynthesis Proteins/analysis Ribosomes/analysis,metabolism Spectrophotometry, Ultraviolet Transcription, Genetic Tritium Ultracentrifugation Xenopus

DNA, Mitochondrial Iodine Radioisotopes Proteins Tritium Poly U Phenylalanine