Across
- 3. scientist that discovered cells
- 4. "powerhouse" of the cell
- 7. transports materials through the cell, "highway" of the cell
- 15. makes energy for the plant cell
- 18. "brain" of the cell
- 19. another layer outside of a plant cell
- 20. organelle that makes proteins
- 21. storage of the cell storing food and other needed materials
- 22. scientist that discovered all animals have cells
Down
- 1. material between the plasma membrane and the nuclear envelope
- 2. cell with no nucleus or mitochondria
- 5. building blocks of proteins
- 6. any normal cell with a nucleus and mitochondria
- 8. movement of molecules from a high concentration to low
- 9. movement of material through a membrane without needing energy
- 10. movement of materials through a cell membrane that requires energy
- 11. controls what goes in and out of the cell
- 12. states all kiving things are made of cells and cells are made from cells
- 13. send and receives material in the cell
- 14. movement of water through a semi-permeable membrane (passive transport)
- 16. release chemicals that break down large food particles into smaller ones
- 17. basic unit of life