Across
- 2. discovered all animals are made of cells
- 7. discovered single cell organisms
- 8. only found in plants, supports and protects
- 9. site of protein synthesis
- 15. moves materials and transports them
- 16. high concentration to low concentration
- 18. branch of biology
- 19. discovered that cells arise from preexisting cells
- 20. control center
- 23. discovered the cell nucleus
- 24. power house of the cell
- 25. diffusion of water
Down
- 1. storage area
- 3. where ribosomes are made
- 4. allows certain materials to pass through
- 5. outer boundary of the cell
- 6. site of photosynthesis
- 10. discovered that plants are made of cells
- 11. packaging and secreting the proteins
- 12. basic building blocks of life
- 13. surrounds nucleus
- 14. cell division
- 17. saw boxlike structures under microscope
- 21. digest waste and worn out cell parts
- 22. hold organelles