Cells and Cell Structure

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Across
  1. 3. Location of photosynthesis.
  2. 4. Part of the nucleus that forms ribosomes.
  3. 6. Function to create energy (power house)
  4. 7. Filaments that provide support and anchor organelles in a cell.
  5. 9. Single-celled organisms whose cells lack a nucleus.
  6. 14. Idea that some organelles were once free bacteria absorbed by the cells.
  7. 17. Control center of the cell.
  8. 18. The plasma membrane is made up of ________________ and proteins.
  9. 19. Short, hair-like fibers that move substances outside cells.
  10. 20. Movement of molecules that requires energy.
Down
  1. 1. Organelle with digestive enzymes to help eliminate waste.
  2. 2. Membrane bound storage sacs.
  3. 5. Water is attracted to the ______________ head of a phospholipid.
  4. 8. Scientist who first used the term "cell".
  5. 10. Special proteins that catalyze production of substances.
  6. 11. No attached ribosomes and helps build molecules like carbohydrates.
  7. 12. Process of molecules moving to balance concentration.
  8. 13. Packaging and shipping part of the cell.
  9. 15. Smallest living unit
  10. 16. Scientist who theorized "all cells come from cells".