All of the following are correct about biofilms, except
A)they are cooperative associations among several microbial groups.
B)they play an important role in recycling elements in the Earth.
C)they can colonize medical devices.
D)an example could be the scum that builds up in toilet bowls.
E)they are harmless aggregations of microbes.

Question

Quizplus · Accepted Answer

Biofilms can often cause harm as they can promote the growth of pathogenic bacteria and make it harder to remove them with antibiotics. Therefore, choice E is incorrect as biofilms are not always harmless aggregations of microbes. Choices A, B, and C are all correct statements about biofilms. Choice D is also correct, as toilet bowl scum is an example of a biofilm.

All of the Following Are Correct About Biofilms, Except