Cells

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Across
  1. 5. How much bigger the image is than the real object
  2. 6. Organelle that contains genetic material and controls the cell's activities
  3. 8. Type of microscope that uses light and lenses to form an image (5, 9)
  4. 9. The ability to distinguish between two close objects in a microscope image
  5. 11. Cells that do not have a nucleus and include bacteria
  6. 13. Strengthens the cell and is made of cellulose in plant cells (4, 4)
  7. 16. An example of a prokaryotic organism
  8. 17. Specialised cell that contracts to cause movement
  9. 20. Specialised male reproductive cell in animals
  10. 22. Specialised cell that carries electrical impulses
Down
  1. 1. Specialised plant cell that absorbs water and minerals from the soil (4, 4, 4)
  2. 2. The jelly-like substance in cells where most chemical reactions take place
  3. 3. A unit of measurement equal to one millionth of a metre
  4. 4. Stores cell sap and helps keep plant cells rigid
  5. 7. Site of aerobic respiration in cells
  6. 10. Where protein synthesis takes place in a cell
  7. 11. A small ring of DNA found in prokaryotic cells
  8. 12. A tail-like structure that helps some prokaryotic cells move
  9. 14. Controls what enters and leaves the cell and holds the cell together (4, 8)
  10. 15. Microscope with higher magnification and resolution than light microscopes (7, 9)
  11. 18. Cells that contain a nucleus and membrane-bound organelles
  12. 19. Where photosynthesis occurs in plant cells
  13. 21. A unit of measurement equal to one thousandth of a metre