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Magnification
How much bigger an object appears COMPARED to its actual size
Resolution
How close 2 separate entities appear
Name 2 uses of staining
1) Makes organelles visible
2) Can distinguish organelles
3 differences between Light Microscope and Electron Microscopes
1) You can see colour and movement under light microscope
2) Electron microscopes have a higher resolution
3) Electron microscopes have a higher magnification
Formula for Magnification
Magnification = Image/ Actual size
Magnification and Resolution for ELECTRON MICROSCOPES
Magnification - 1 million x
Resolution - Less than 1nm
Magnification and Resolution for LIGHT microscope
Magnification - 400x
Resolution - 200nm (speed of light)
2 types of ELECTRON microscopes & differences
1) Electron Transmitting Microscope -
Micrographs are 2D
Not in colour
2) Electron Scanning Microscope
3D
Not in colour
Differences between LIGHT microscope and ELECTRON Microscope
Light microscope can view in colour.
Light Microscope can view movement/living cells