An antibiotic is a type of antimicrobial drug used in the treatment and prevention of bacterial infections. They may either kill or inhibit the growth of bacteria. A limited number of antibiotics act against protozoa also. Sometimes the term antibiotic (which means “opposing life”) is used to refer to any substance used against microbes.

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Chapter 15, Problem 5MC

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An antibiotic is a type of antimicrobial drug used in the treatment and prevention of bacterial infections. They may either kill or inhibit the growth of bacteria. A limited number of antibiotics act against protozoa also. Sometimes the term antibiotic (which means “opposing life”) is used to refer to any substance used against microbes.

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