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