Q 1. If you observe rod-shaped red cells after the Gram stain, you can assume their cell walls contain endotoxin. True/False
Q 2. You are performing a Gram stain on gram-negative bacteria and you stop after the decolorizer step. What is the appearance of the bacteria at this point?
Q 3. Differential staining using the Gram stain method allows for the determination of __________.
Q 4. Which of the following pairs is mismatched?
Q 5. Which step in the Gram stain is the most critical step in differentiating gram-positive cells from gram-negative cells?
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