Biofilm infections are harder to treat than the same free-living organisms because
A. When part of a biofilm community, the bacterial cells express different genes thus changing their antibiotic susceptibility
B. Bacteria in a biofilm exist only on synthetic surfaces such as catheters, so they cannot be treated with antibiotics
C. The organisms in the biofilm degrade the antibiotics at a much faster rate than their free living counterparts
D. Organisms in a biofilm develop antibiotic resistance more rapidly than free living cells
Answer: C. The organisms in the biofilm degrade the antibiotics at a much faster rate than their free living counterparts
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