Across
- 4. The filament is the ........... portion and extends from the cell surface to the outside.
- 7. .......... show a range in the number and arrangement of flagella.
- 8. Several ribosomes may attach to a single mRNA and form a chain called .......... or polysome.
- 9. Besides flagella, ......... and ......... are also surface structures of the bacteria but do not play a role in motility.
- 11. They are about 15 nm by 20 nm in size and are made of........ subunits - 50S and 30S units which when present together form 70S prokaryotic ribosomes.
- 13. The ribosomes of a polysome ............ the mRNA into proteins.
- 14. Reserve material in prokaryotic cells are stored in the cytoplasm in the form of ............bodies.
- 16. Bacterial cells may be .......... or non-motile.
Down
- 1. The fimbriae are small ....... like fibres sprouting out of the cell.
- 2. If motile, they have thin filamentous extensions from their cell wall called ............
- 3. In prokaryotes, ribosomes are associated with the ........... of the cell.
- 5. vacuoles .............. are found in blue green and purple and green photosynthetic bacteria.
- 6. In some bacteria, they are known to help attach the bacteria to ......... in streams and also to the ....... tissues.
- 9. The pili are elongated tubular structures made of a special .......
- 10. ......... are the site of protein synthesis.
- 12. Bacterial flagellum is composed of three parts – filament, hook and..........
- 15. These are ........... by any membrane system and lie free in the cytoplasm, e.g., phosphate granules, cyanophycean granules and glycogen granules.