Thylakoids flattened membranous sacs which contain the photosynthetic pigments of the cell. In cyanobacteria they occur within the cytoplasm; in photosynthetic eukaryotes they occur within the chloroplasts.
Thylakoids flattened membranous sacs which contain the photosynthetic pigments of the cell. In cyanobacteria they occur within the cytoplasm; in photosynthetic eukaryotes they occur within the chloroplasts.