149
Question
A gram-positive bacterium is stained in which colour by the gram stain
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Solution
The correct option is B purple
Gram positive bacteria: Stain dark purple due to retaining the primary dye called Crystal Violet in the cell wall. Gram negative bacteria: Stain red or pink due to retaining the counter staining dye called Safranin.
Gram positive bacteria: Stain dark purple due to retaining the primary dye called Crystal Violet in the cell wall. Gram negative bacteria: Stain red or pink due to retaining the counter staining dye called Safranin.
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