Question

why do we need to tease the human cheek cells before adding methylene blue stain​

Answer 1

Answer:

Methylene blue has a string affinity for both DNA and RNA. ... The nucleus at the central part of the cheek cell contains DNA. When a drop of methylene blue is introduced, the nucleus is stained, which makes it stand out and be clearly seen under the microscope.

Answer 2

Explanation:

Methylene blue has a string affinity for both DNA and RNA. ... The nucleus at the central part of the cheek cell contains DNA. When a drop of methylene blue is introduced, the nucleus is stained, which makes it stand out and be clearly seen under the microscope.

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