+ UNK A - Gram-positive and Gram-negative controls are used on the slide during a Gram stain. These two controls (positive controls) give us confidence in the Gram stain result. Give the two most important reasons why these controls give us confidence in the Gram stain result.
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The Gram-positive control ensures that the Gram staining procedure is working correctly for Gram-positive bacteria. If the Gram-positive control appears purple under the microscope, it indicates that the crystal violet and iodine have properly formed a complex Show more…
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