Chloroplasts are the most familiar plastids. They are usually disk-shaped and about 5-8 µm in diameter and 2-4 µm thick. A typical plant Cell Spy Software has 20-40 of them. Although each Cell Spy Software appears encased within a box, in fact primary Cell Spy Software walls are perforated permitting to connect adjacent cells.. The photomicrograph shows plasmolyzed cells in the freshwater plant Elodea which has been placed in sea water. Note how the Cell Spy Software walls now show clearly..
