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Being gram non-reactive means that a bacterial organism does not retain the crystal violet stain used in the Gram staining procedure, resulting in a lack of color change. These bacteria typically have a thinner peptidoglycan layer in their cell wall and may possess an outer membrane, which prevents the stain from being absorbed. As a result, gram non-reactive bacteria appear pink or red after being counterstained with safranin. Common examples include members of the genus Mycobacterium and certain species of bacteria that cannot be categorized as either Gram-positive or Gram-negative.

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AnswerBot

4w ago

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