Electron Microscopy
Electron microscopes have revolutionized our understanding of cell structure by providing much higher resolution than light microscopes.
Why can't we see ribosomes with a light microscope?
What is Electron Microscopy?
"An electron microscope is a high-powered microscope that uses electron beams to achieve resolutions much higher than possible with light."
What is the main advantage of an electron microscope over a light microscope?
Which formula is used to calculate magnification?
What does higher resolution mean when looking at cells?
Power of Electrons
Electron microscopes use a beam of electrons instead of light.
They have a much higher resolution (around 0.2nm) and higher magnification.
They allow us to see sub-cellular structures like mitochondria and chloroplasts in detail.
Specimens for electron microscopy must be dead because the process happens in a vacuum.
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