Across
- 6. a microscopic single-celled organism
- 8. Fat cell
- 9. a piece of code which is capable of copying itself
- 11. a solution having the same osmotic pressure
- 12. tending to repel or fail to mix with water.
- 13. membrane around the cytoplasm of a cell.
- 14. the spreading of something more widely.
- 15. allows certain substances to pass but not all
- 16. having a lower osmotic pressure
- 18. spontaneous passive transport
Down
- 1. the movement of ions or molecules with energy
- 2. Molecule attracted to water
- 3. A capsid is the protein shell of a virus
- 4. higher osmotic pressure
- 5. movement of ions or molecules without energy
- 7. an organism consisting of a cell or cells
- 10. thin polar membrane made of two layers of lipid molecules
- 17. less concentrated solution into a more concentrated solution