Across
- 3. modifies, sorts and packages proteins
- 4. produces ribosomes
- 5. diffusion of water through a selectively permeable membrane
- 9. when comparing two solutions, the solution with the greater concentration of solutes
- 10. supports and protects the cell, only found in plant cells
- 12. process by which molecules tend to move from an area where they are more concentrated to an area where they are less concentrated
- 13. produces food through photosynthesis, only found in plant cells
- 16. unicellular organism lacking a nucleus
- 19. transports materials throughout the cell
- 21. control center of the cell
- 23. organism whose cells contain nuclei
- 24. organelle that regulates what enter and leaves the cell
- 25. group of similar cells that perform a particular function
- 26. produces proteins
- 27. process by which organisms maintain a relatively stable internal environment
Down
- 1. powerhouse of the cell
- 2. covers and protects the nucleus
- 5. group of organs that work together to perform a specific function
- 6. group of tissues that work together to perform closely related functions
- 7. a substance that only allows certain materials though it
- 8. digests and removes wastes
- 11. double layered sheet that forms the core of nearly all cell membranes
- 13. basic unit of all forms of life
- 14. stores food, water and wastes
- 15. device that produces magnified images of structures that are too small to see with only the unaided eye
- 17. assists during mitosis, only in animal cells
- 18. when comparing two solutions, the solution with the lesser concentration of solutes
- 20. jellylike substance that protects the organelles
- 22. idea that all living things are composed of cells, that cells are the basic unit of structure and function in living things, and that new cells are only produced from existing cells
- 24. gives instructions for the cell's activities