title: The effect of cell age on chloroplast structure and chlorophyll in cultured spinach leaf discs.
mesh_terms: D002478:Cells, Cultured; D002734:Chlorophyll / Q000378:metabolism*; D002736:Chloroplasts / Q000166:cytology / Q000378:metabolism*; D003624:Darkness; D006651:Histocytochemistry; D008027:Light; D008854:Microscopy, Electron; D010788:Photosynthesis; D013997:Time Factors; D014675:Vegetables
chemical_list: D002734:Chlorophyll