Ever since the antibiotic drug penicillin was discovered in 1928, the incidence of resistant bacteria has steadily increased as a direct result of

Question

Quizplus · Accepted Answer

The increase in resistant bacteria is a result of natural selection, where mutations in bacteria that confer resistance to antibiotics are selected for and become more prevalent in a population over time. Antibiotic use puts selective pressure on bacteria, and those with resistance survive and reproduce, passing on their resistance to future generations.

Ever Since the Antibiotic Drug Penicillin Was Discovered in 1928