Across
- 3. jelly like substance
- 4. scattered in the cytoplasm are small structures called -------------
- 5. centre of cytoplasm
- 11. organisms made up of more than two cells
- 13. an unicellular organism
Down
- 1. plant cells are located on the--------- part of the stem
- 2. cells that contract and expand
- 6. who discovered cells?
- 7. the building blocks of life are known as -----------
- 8. the largest single cell
- 9. a thin covering surrounding the cytoplasm
- 10. small rod like structures
- 12. sac like structures