Across
- 3. lets things in and keeps things out
- 5. power for the cell
- 7. controls the cell/brain
- 9. the digestive system of the cell
Down
- 1. support for the cell
- 2. help sequester waste products
- 4. provides tensile strength and protection against mechanical and osmotic stress
- 6. carry genetic information to be passed on from one generation to another
- 8. start of life