Comparative electron microscopic studies of chloroplast and cytoplasmic ribosomes.
D002499:Centrifugation, Density Gradient; D002501:Centrifugation, Zonal; D002736:Chloroplasts / Q000032:analysis*; D003593:Cytoplasm / Q000032:analysis*; D008854:Microscopy, Electron; D010945:Plants, Edible / Q000032:analysis*; D012270:Ribosomes / Q000032:analysis*