Biology Unit 2 Crossword
Across
- 3. polymer with sugars and amino acids surrounding the cell membrane
- 4. two cells
- 6. free-floating in cytoplasm and contains genetic information
- 8. short hair-like structures on cell surface that are involved in adherence to surfaces
- 9. regulates materials entering and leaving cell
- 11. cell signaling within cells
- 13. energy is required going from low to high energy concentration
- 14. transport where no energy is required
- 16. cell signaling between cells
- 19. no peptidoglycan in cell walls
- 20. thick layer of peptidoglycan
- 22. use CO2 as carbon source
Down
- 1. water diffuses into cell
- 2. water diffuses out of cell
- 5. used for cell movement
- 7. cluster of cells
- 10. use organic compund as carbon source
- 12. has peptidoglycan in cell walls
- 15. shapes, support, and protect cell
- 17. thin layer of peptidoglycan
- 18. synthesize proteins
- 21. chain of cells