title: Sunflower etioplast membranes.
mesh_terms: D000222:Adaptation, Physiological; D002736:Chloroplasts / Q000648:ultrastructure*; D006368:Helianthus / Q000502:physiology / Q000648:ultrastructure*; D007425:Intracellular Membranes / Q000648:ultrastructure*; D008027:Light; D008854:Microscopy, Electron