Cell Theory and Cell Comparison

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Across
  1. 2. Who discovered that all cells come from other cells?
  2. 5. The person that discovered cells.
  3. 6. The person that discovered plants are made of cells.
  4. 9. A space or vesicle in the cytoplasm of a cell.
  5. 11. Who discovered animal cells are similar to plant cells?
  6. 13. Part of the cell responsible for producing and assembling the cell's ribosomes.
  7. 16. The basic unit of life.
  8. 19. Cells with no membrane-bound organelles.
  9. 20. A selective barrier.
Down
  1. 1. Responsible for digesting macromolecules, only found in animal cells.
  2. 3. An organelle that organizes microtubules.
  3. 4. Powerhouse of the cell, found in animal and plant cells.
  4. 7. How do people see cells?
  5. 8. Plant cells get energy from ___?
  6. 10. A part of a cell that does a specific job.
  7. 12. (Only in plant cells) A structural layer surrounding plant, bacteria, and algae cells.
  8. 14. The site of photosynthesis (only found in plant cells).
  9. 15. Cells with a membrane-bound nucleus.
  10. 17. A molecule that contains the genetic code of organisms.
  11. 18. Animal cells get energy from ____?