Across
- 4. The staining procedure developed by .........
- 6. help in cell wall formation, ...........and distribution to daughter cells.
- 7. Although each layer of the envelope performs distinct function, they act together as a ............... unit.
- 10. ........... differs in composition and thickness among different bacteria.
- 11. The plasma membrane is .............. in nature and interacts with the outside world.
- 14. some prokaryotes like cyanobacteria, there are other membranous extensions into the cytoplasm called ......... which contain pigments.
Down
- 1. The cell wall determines the shape of the cell and provides a strong structural support to prevent the bacterium from ..........or ...........
- 2. It could be a loose sheath called the .......... in some, while in others it may be thick and tough, called the ..........
- 3. These extensions are in the form of .........., tubules and lamellae.
- 4. The cell envelope consists of a tightly bound three layered structure i.e., the outermost ............followed by the cell wall and then the plasma membrane.
- 5. Mesosomes also help in respiration, secretion processes, to increase the surface area of the plasma membrane and ..........content.
- 8. A special membranous structure is the ............ which is formed by the extensions of plasma membrane into the cell.
- 9. Bacteria can be classified into .......... groups on the basis of the differences in the .............
- 12. Those that take up the .............. are Gram positive and the others that do not are called Gram negative bacteria.
- 13. Most prokaryotic cells, particularly the bacterial cells, have a chemically ........... cell envelope.