supa science puzzle by eg

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Across
  1. 4. the brain of the cell
  2. 9. the gelatinous liquid that fills the inside of a cell
  3. 10. organizing microtubules that serve as the cell's skeletal system
  4. 11. the movement of molecules from an area of their higher concentration to an area of their lower concentration
  5. 12. a small sac or cyst that contains fluid or gas
  6. 15. a membrane-bound network of tubules
  7. 17. all living things have this
  8. 18. a rigid, external layer that is specifically designed to provide structural support and rigidity
Down
  1. 1. the cellular machinery responsible for making proteins
  2. 2. receive the proteins produced by the endoplasmic reticulum
  3. 3. the power house of the cell
  4. 5. when there are a lot of thing taking up a small space and then some of those things move to a less-crowded space through a barrier
  5. 6. a membrane-bound cell organelle
  6. 7. the cells that do not have a true nucleus and membrane-bound organelles
  7. 8. A thin, flexible layer of tissue that covers, lines, separates, or connects cells or parts of an organism
  8. 13. any cell or organism that possesses a clearly defined nucleus
  9. 14. membrane-bound cell organelle that contains digestive enzymes
  10. 16. a cellular organelle composed of many folds of tissues and channels