Biology Unit 2 Crossword

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