試題詳解

37. Which of the following is an example of how conjugation contributes to the spread of antibiotic resistance?
(A) A bacterium spontaneously mutates to become resistant to penicillin.
(B) An E. coli strain transfers a plasmid containing the blaKPC gene to a Klebsiella pneumoniae strain, making it resistant to carbapenems.
(C) A bacterium acquires resistance through exposure to gradually increasing concentration of antibiotics.
(D) A virus introduces antibiotic resistance genes into a bacterial population.
(E) Bacteria develop resistance through adaptive changes in their metabolism.