Cell Theory Crossword

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Across
  1. 3. A group of cells that has a certain job/role
  2. 6. Basic unit of function and structure in living organisms
  3. 9. A very large molecule
  4. 12. A cell that lacks a nucleus and cell membrane
  5. 13. Hereditary information that is passed on
  6. 14. Any functioning structural unit inside an organism
  7. 15. A cell that has a nucleus
  8. 16. Concluded that all cells come from pre-existing cells
  9. 18. Separates inside from outside of a cell
  10. 20. Concluded that all animal tissues are composed of cells
Down
  1. 1. Known as the building block of chemistry
  2. 2. functions as an outer covering of all plant cells
  3. 4. Atoms that are grouped together
  4. 5. Concluded that all plants are made up of cells
  5. 7. Named cells after studying slices of cork
  6. 8. Uses a lens to magnify an object
  7. 10. Uses photosynthesis to create energy
  8. 11. Subcellular units inside cells with certain functions
  9. 17. Any functioning living system
  10. 19. Invented the simple light microscope