BI-1455
Antibiotic resistance
Biology · Secondary 4 · Medium · Antibiotic resistance
A community has overused a particular antibiotic to treat minor illnesses. After several years, many infections no longer respond to this antibiotic. What is the best explanation for this observation?
- Human cells become resistant to the antibiotic and stop absorbing it.
- Bacteria mutate and resistant bacteria survive and reproduce when the antibiotic is used.
- The antibiotic becomes less concentrated in the pharmacy over time.
- White blood cells start to destroy the antibiotic molecules.
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