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Across 2. movement of molecules from areas of high concentration to lower concentration 3. fluid-filled sac that stores food, water and minerals in the cells 5. dot-like structure within the cell which make protein 8. the thin outer skin of animal cells; found inside the cell wall of plants 10. cell parts devoted to specific functions 11. places where substances are broken down in the cell to provide energy 15. structures in plant cells which contain clorophyll 16. the diffusion of water through a membrane 17. an organelle that distributes proteins to other parts of the cell 18. jellylike material found in cells 19. the thick outer covering of plant cells

Down 1. long, winding membranes that move trough the cell 4. the green plant pigment which uses energy from the sun to make food 6. type of cell division in sexual reproduction that produces four cells for every original cell 7. all living things made from cells, cells come from other cells, they are the basic unit 9. the process of cell division 12. controls cell activities 13. the basic unit of structure and function of organisms 14. a structure that breaks down worn-out parts of the cell