The isolated mitotic apparatus. Studies on nucleoproteins.

Animals Bile Acids and Salts/pharmacology Buffers Centrifugation, Density Gradient Chemistry Techniques, Analytical Echinodermata/metabolism Female Glycols/pharmacology In Vitro Techniques Insemination, Artificial Magnesium/pharmacology Methods Microscopy, Phase-Contrast Mitosis/drug effects Nucleoproteins/analysis,metabolism Nucleotides/analysis Ovum/analysis,drug effects Potassium Chloride/pharmacology Ribonucleases/pharmacology Ribosomes/analysis,drug effects Spectrophotometry Sulfhydryl Compounds/analysis Ultraviolet Rays

Bile Acids and Salts Buffers Glycols Nucleoproteins Nucleotides Sulfhydryl Compounds Potassium Chloride Ribonucleases Magnesium