Why cheek cell is stained with methylene blue?
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Because of its affinity for DNA and RNA, methylene blue will produce a darker stain in areas where those components are present. In the case of the human cheek cell, methylene blue causes the DNA in the nucleus to stand out so that the nucleus can clearly been seen in a light microscope.
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because of it affinity of dna and rna methylene blue represent this area where components are present
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