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Questions and Answers
Gram-positive bacteria retain the crystal violet stain during the Gram staining procedure.
Gram-positive bacteria retain the crystal violet stain during the Gram staining procedure.
True (A)
Gram-negative bacteria have a thicker peptidoglycan layer in their cell walls compared to Gram-positive bacteria.
Gram-negative bacteria have a thicker peptidoglycan layer in their cell walls compared to Gram-positive bacteria.
False (B)
The Gram staining technique helps differentiate bacteria based on their shape.
The Gram staining technique helps differentiate bacteria based on their shape.
False (B)
Gram-negative bacteria have an outer membrane that contains lipopolysaccharides.
Gram-negative bacteria have an outer membrane that contains lipopolysaccharides.
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Penicillin is typically more effective against Gram-negative bacteria than Gram-positive bacteria.
Penicillin is typically more effective against Gram-negative bacteria than Gram-positive bacteria.
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