Across
- 2. drawback of optical microscope
- 4. uses magnets that focus beams of electrons to produce an image
- 6. what differences between organelles allows them to separate at different speeds
- 7. can't view living specimen
- 9. high resolution and magnification
- 12. x1500
- 16. benefit of optical microscope
- 18. 1/1000 of 1mm
- 19. where should the specimen be put in an electron microscope?
- 20. scanning microscope condenser lens
- 21. type of lens on an optical microscope
- 22. quality of specimen in an electron microscope
- 28. max resolution of a transmission electron microscope
- 29. large area covered
- 30. ability to distinguish between two objects
- 31. why is homoginiser ice cold
- 32. nanometer
Down
- 1. x500000
- 3. helps break cells open
- 5. type of lens on an optical microscope
- 8. uses rays of light passing through a specimen to create an image on the retina
- 10. beam of electrons passes through these first horizontally then vertically(rectangle scanned)
- 11. what should be done to create a short distance in an electron microscope
- 13. visualises surface features, produces a 3D image
- 14. drawback of transmission electron microscope
- 15. the process used to fractionate cells
- 17. quality of specimen in an electron microscope
- 18. size of image over actual size
- 23. drawback of scanning electron microscope
- 24. passes light through the specimine
- 25. focal spot of a scanning electron microscope
- 26. optical microscopes resolving power
- 27. break open cells and separate the organelles(kept intact)