Bacterial Proteins 4 Cell Fractionation 4 Cell Membrane 4 Chlorophyll 4 Rhodopseudomonas 4 microorganism 4 rhodopseudomonas viridis theoretical study 4 Cell-Free System 2 Centrifugation, Density Gradient 2 Chromatography, Thin Layer 2 Comparative Study 2 Culture Media 2 DNA, Bacterial 2 Dialysis 2 Electrophoresis 2 Evaluation Studies 2 Fatty Acids 2 Lipid and Protein Composition 2 Lipids 2 Methods 2 Ornithine 2 Phosphorus 2 Photosynthetic Membrane 2 RNA, Bacterial 2 Reaction Center 2 Saccharomyces cerevisiae 2 Spectrophotometry, Ultraviolet 2 Vibration 2 bacterial cell wall 2