Spherical subunits in photosynthetic membranes of two cyanophyceae and the bacterium Rhodospirillum rubrum.
D056890:Eukaryota / Q000166:cytology*; D008566:Membranes; D008854:Microscopy, Electron; D008961:Models, Structural; D010788:Photosynthesis; D012246:Rhodospirillum / Q000166:cytology*