Why Doesn't a ß-Lactam Antibiotic Prevent the Growth of New

question 35

Multiple Choice

Why doesn't a ß-lactam antibiotic prevent the growth of new host (human) cells?

• A) The host cells are slowed down by the antibiotic but still grow faster than the bacteria.
• B) The host cells are protected by a thick layer of cell-wall peptidoglycan.
• C) Osmosis only occurs in bacterial cells,never in human or animal cells.
• D) The antibiotic only harms bacterial cell walls;the host cells do not have cell walls.
• E) Antibiotics slow host cell growth,but after the bacteria are dead and the antibiotics are removed,the host cells can grow again.

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