Sunset12
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You know for the onion cell experiment in biology why do we use the epidermal onion layer to put under the microscope why don't we use a big onion piece????????
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Scitty
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Because if you're using a light microscope, the image is produced by light going through the specimen you're viewing on the slide. If it's too thick (i.e. thicker than 1 cell or so) then you aren't going to get a clear image of the cells at all. The light won't shine through.
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