Question

Which stain do u observe onion root cells ?

Answer 1

usually iodine or 2 to 3 drops of acetocarmine are used to stain onion root cells

as iodine binds with the starch granules in cytoplasm and nucleus of the cells it is commonly used

Answer 2

Haematoxylin and eosin is used to stain the onion root cells

Explanation:

• Haematoxylin is used to stain the basic component of cells.
• Whereas eosin is used to stain the acidic component of the cells.
• This is because haematoxylin is acidic in nature and eosin is basic in nature.
• The colour which is given is pink and purple.
• The cytoplasm is basic and nucleic acid is acidic.
• The cytoplasm is pink and nucleus is purple in colour.

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haematoxylin and eosin stain. Brainly.in

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