A student was preparing temporary mount of human cheek cells. During this, the student added few drops of stain for easy identification. But even after staining, certain cell organelles were not visible in the microscope. Why? Also, write the name of the stain used.
Methylene blue is used to stain human cheek cells. Even after staining of slide with methylene blue, certain cell organelles like mitochondria are not visible because these organelles do not get stained and thus, are not visible under the microscope.