Cell Membrane
Across
- 4. keeping a stable environment inside of something
- 8. controls what goes in and out of a cell
- 11. molecules have equal sharing of electrons among atoms
- 12. make up the cell membrane
- 13. _________ are in the membrane
- 15. a cell needs energy to move the molecules
- 16. sends and receives signals
Down
- 1. protein used in osmosis
- 2. proteins are helping things pass through the membrane
- 3. transportation that doesn't use energy
- 5. concentration in the two areas is equal
- 6. moves with the concentration gradient
- 7. passive transport takes _____ amounts of energy to move molecules
- 9. when the cell membrane needs to fuse with the molecules its taking in to bring it inside
- 10. ____ is needed to help move molecules from low to high concentrations
- 14. molecules have unequal sharing of electrons among atoms