Ch. 5 Introduction to Cells 1-2 (6)

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Across
  1. 2. A rigid layer surrounding the cells of plants.
  2. 3. These do not exist in animal cells and are responsible for making leaves green.
  3. 5. A cell __________ controls what goes into and out of a cell.
  4. 8. These produce proteins.
  5. 10. The cells of ___________ do not have cell walls.
  6. 12. This tool was invented around the year 1590.
  7. 14. Thin strands of material that fill the cell's nucleus.
  8. 15. A cell wall is made out of ______.
  9. 20. The basic units of structure and function in living things.
  10. 22. This makes ribosomes.
  11. 23. All cells are produced from _______________.
  12. 24. This person (last name only) is credited as the first to see living cells.
Down
  1. 1. To find a microscope's magnification power you multiply the strength of the lens in the eye piece by the strength of the __________.
  2. 4. These are a cell's recycling center.
  3. 6. This converts energy from food into energy the cell can use.
  4. 7. A thick, gel-like fluid in a cell.
  5. 9. This acts like a cell's warehouse.
  6. 11. The control center of the cell.
  7. 13. These are tiny particles that are smaller than atoms.
  8. 14. The theory that explains the relationship between cells and living things.
  9. 16. What does the word cell mean.
  10. 17. These are the cells structures.
  11. 18. All organisms are made of these.
  12. 19. These water filled sacs inside a cell are absent from some animal's cells.
  13. 21. The prefix "magni-" means __________ or large.