Gram-Positive and Gram-Negative Bacteria Are Most Commonly Differentiated in the Laboratory

question 40

Multiple Choice

Gram-positive and Gram-negative bacteria are most commonly differentiated in the laboratory by whether__________.

• A) penicillin can kill them or not
• B) a dye is trapped within the cells during the Gram staining procedure
• C) the bacteria are collected from the outside or the inside of an infected patient
• D) water can flow into the bacteria,causing them to burst
• E) the bacteria contain peptidoglycan

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