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Cork Cell


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Cork is not really a cell the way we normally think of it.


Woody plants are surrounded by bark, which is where the Cork comes from. Cork is filled with a waxy, waterproof stuff called suberin, rather than cytoplasm, so organelles cannot operate; any organelles formerly in place will have long since disintegrated, hence no nucleus or anything other than cell walls (and cork's water resistant properties).


In other light microscope work, remember there will be a practical limit of the wavelength of visible light-- anything smaller will not be visible. With some structures, it might be a matter of dye uptake.


If you stain an onion slice, the nuclei should be nice and bright.

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