Answered

Drug-resistant populations of microbes arise when
a. synergy between medication occurs
b. exposure to drugs causes mutations that produce resistance
c. resistant cells become numerous in a population due to their greater vigor
d. exposure to drugs selectively kills sensitive cells, allowing overgrowth of resistant cells
e. the patient becomes immune to the drug

Answer :

ShyzaSling

Answer:

The correct option is D. Drug-resistant populations of microbes arise when  exposure to drugs selectively kills sensitive cells, allowing overgrowth of resistant cells.

Explanation:

Drug- resistance can be described as a mechanism through which an organism can overcome the effect of a drug.

Usually, exposure of a drug again and again to a population of microbes will make the microbes resistant to that drug. The cells of the microbes undergo some change to overcome the effect of that particular drug.

A population of drug-resistant microbes might occur when the sensitive microbes get killed by the drug and resistant strains remain alive.

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