GCSE Biology Revision “Microscopy”

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In this video, we look at microscopes. First we explain the advantages of an electron microscope over a light microscope and then we learn how to carry out calculations based on magnification.

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Image credits:

Light microscope By Kitmondo Marketplace – Olympus BH-2 BHT Trinocular Laboratory Microscope, CC BY 2.0, https://commons.wikimedia.org/w/index.php?curid=50226403

“Leewanhoek microscope” By Jeroen Rouwkema, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=3657142

“Electron microscope” By Cjp24 – Own work, GFDL, https://commons.wikimedia.org/w/index.php?curid=13317336

Fibroblast By SubtleGuest – slika uzeta sa engl. vikipedije [1], CC BY 2.5, https://commons.wikimedia.org/w/index.php?curid=2903074

Nucleus Public Domain, https://commons.wikimedia.org/w/index.php?curid=3266416

Ruler By Luigi Chiesa – Photo taken by Luigi Chiesa, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=1137573

Cheek cells

https://commons.wikimedia.org/wiki/File:Cheekcells_stained.jpg

Mulletsrokk, CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons