title: Analysis of chloroplast ribosomes by polyacrylamide gel electrophoresis and electron microscopy.
mesh_terms: D002499:Centrifugation, Density Gradient; D002736:Chloroplasts / Q000648:ultrastructure*; D000458:Cyanobacteria / Q000648:ultrastructure; D003593:Cytoplasm / Q000648:ultrastructure; D004591:Electrophoresis, Polyacrylamide Gel; D004926:Escherichia coli / Q000648:ultrastructure; D005056:Euglena gracilis / Q000648:ultrastructure; D010944:Plants / Q000648:ultrastructure; D012270:Ribosomes / Q000032:analysis* / Q000648:ultrastructure