Module 1: Introduction to Biofilms

 Section 4 Quiz: Intermediate Level
 


Select the two most accurate statements, and then click the "Check Answers" button.

 

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Biofilms are merely layers of slime on a surface.

 

Bacteria in biofilms show different gene expression than planktonic bacteria. 

 

Bacteria in biofilms can communicate to one another via chemical signaling molecules.

 

The inability of the antimicrobial to penetrate the biofilm is the only reason why bacteria are less susceptible in a biofilm.