Cell crossword.

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Across
  1. 1. envelope Separates the nucleus from the cell.
  2. 6. The jelly-like fluid that holds the cell together.
  3. 7. cells The new modern cells of the planet earth.
  4. 10. walls Found in every eukaryotic cell and surrounds the plasma membrane.
  5. 11. membrane Contains all the cells contents.
  6. 12. Takes place in the chloroplast.
  7. 13. The smallest living unit on the planet.
  8. 17. cells The first cells to be on earth and can be unicellular.
  9. 18. The control center of the cell.
Down
  1. 2. Aids in cell renewal.
  2. 3. Pairs of microtubular structures and plays a role in cell division.
  3. 4. reticulum Helps move substances within cells and is a network of interconnected membranes.
  4. 5. Longer projections that move in a whiplike motion.
  5. 8. Produces ribosomes.
  6. 9. Breaks down fuel molecules and releases energy.
  7. 14. A membrane-bound storage sac.
  8. 15. apparatus Packing and shipping station of the cell.
  9. 16. Short, numerous, hairlike projections that move in a wavelike motion.