How might efflux pumps increase antibiotic resistance in bacteria?
a. Resistant bacteria may have a greater number of efflux pumps on their cell surfaces.
b. Some bacteria can decrease the specificity of their efflux pumps, increasing the number of different antibiotics the pumps can eliminate.
c. Some bacteria can change the chemical structure of the antibiotic.
d. Efflux pumps can never be modified to increase antibiotic resistance.
e. Resistant bacteria can have more efflux pumps, and can have less specific efflux pumps.
Answer: e. Resistant bacteria can have more efflux pumps, and can have less specific efflux pumps.
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