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What is the purpose of the iodine in the Gram stain procedure? If this step was...

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Biology

What is the purpose of the iodine in the Gram stain procedure?If this step was left out, what color would Gram negative and Grampositive cells appear after completion of the stain?

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Iodine in the Gram stain procedure acts as a mordant and forms a complex with the crystal violet stain This complex binds tightly with the thick peptidoglycan layer present in the cell wall of Gram positive bacteria    See Answer
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