Across
- 1. Made of a double layer
- 3. Attached to proteins in the cell membrane
- 8. "Water fearing"
- 9. First to see animal cells
- 14. First to see living cells
- 15. Some things can pass through, and some things cannot
- 16. A lipid made of two fatty acid tails and a phosphate head
- 17. Molecule binds to it, and it changes shape to allow the molecule into the cell
- 18. Another name for the cell membrane
Down
- 2. First to see living cells
- 3. Attached to lipids in the cell membrane
- 4. Theory that states all living things are made of cells
- 5. "Water loving"
- 6. Help with cell recognition
- 7. First to see plant cells
- 10. Helps communicate with the environment
- 11. Have a tube through which molecules can pass into the cell
- 12. Controls the movement of the cell membrane
- 13. Discovered that cells come from other cells
