How does resistance to drugs spread in bacterial populations?
A) Exposure to drugs causes mutations in bacterial genes.
B) Horizontal gene transfer between bacteria spreads R (resistance) plasmids.
C) Genetic recombination during sexual reproduction.
D) Exposure to drugs induces immunity.
E) Exposure to drugs alters gene expression in bacteria.
B
Bloom's Taxonomy: Comprehension
Section: Resistance to Antimicrobial Drugs
Learning Outcome: 10.22
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