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View under microscope (1000X magnification).
Next, a vivid purple dye called crystal violet is poured over the slide. Most bacteria will take up the crystal violet. In a Gram stain, crystal violet is also called the "primary stain."
Next, a vivid purple dye called crystal violet is poured over the slide. Most bacteria will take up the crystal violet. In a Gram stain, crystal violet is also called the "primary stain."
The last picture shows how the bacteria would look if the Gram stain procedure were stopped at this step.
The last picture shows how the bacteria would look if the Gram stain procedure were stopped at this step.
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