Across
- 4. makes large adjustments to the focus
- 5. allows specimen to be seen through contrast
- 9. Separates ocular lense from objective lense
- 10. central part of cell
- 12. involves selectively permeable membrane
- 14. semipermeable barrier
- 15. organelles that make proteins
- 17. allows only certain molecules
- 18. animal, plant, or single celled
- 19. opened or closed to adjust light
Down
- 1. Three lenses that magnify
- 2. power house of cell
- 3. lense that magnifies usually 10 x 10
- 4. Fills cell and surrounds organelles
- 6. Stores food, waste and other substances
- 7. can be passed through
- 8. more than one cell
- 11. movement of particles from dense area
- 13. smallest unit of life
- 16. where slide rests to be viewed