Gram staining procedure of bacteria is based upon the properties of
A
Cell membrane
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B
Cell wall
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C
Capsule
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D
DNA.
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Solution
The correct option is B Cell wall B. Cell wall
EXPLANATION: Gram staining is based on the ability of bacteria cell wall to retaining the crystal violet dye during solvent treatment. Gram stain is the most important staining procedure in microbiology. It is used to differentiate between gram positive and gram negative organisms.