title: Variable amounts of DNA related to the size of chloroplasts. IV. Three-dimensional arrangement of DNA in fully differentiated chloroplasts of Beta vulgaris L.
mesh_terms: D000447:Aldehydes; D002736:Chloroplasts; D004247:DNA; D006652:Histological Techniques; D008854:Microscopy, Electron; D008961:Models, Structural; D059828:Plant Cells; D063245:Plant Development; D011123:Polyploidy; D011402:Pronase; D014357:Trypsin
chemical_list: D000447:Aldehydes; D004247:DNA; D014357:Trypsin; D011402:Pronase