The isolation of envelopes of Escherichia coli spheroplasts in the zonal ultracentrifuge.

Amines/analysis Amino Acids/analysis Bacterial Proteins/analysis Bacteriolysis Binding Sites Carbon Isotopes Cell Membrane/analysis Cell Wall/analysis Centrifugation, Zonal Coliphages DNA, Bacterial/analysis Deoxyribonucleases Escherichia coli/cytology Methods Microscopy, Electron Phospholipids/analysis Phosphorus/analysis Phosphorus Isotopes Pimelic Acids/analysis Protoplasts RNA, Bacterial/analysis

Amines Amino Acids Bacterial Proteins Carbon Isotopes DNA, Bacterial Phospholipids Phosphorus Isotopes Pimelic Acids RNA, Bacterial Phosphorus Deoxyribonucleases