Quiz for:
Understanding Bacteria and Biofilms

Question 1

Which scientist is credited with coining the term 'quorum sensing'?

Question 2

What is the primary chemical communication method used by bacteria in biofilms?

Question 3

Which example is given in the notes that illustrates quorum sensing in nature?

Question 4

What key aspect of bacterial biofilms makes them a clinical problem?

Question 5

What do bacteria within biofilms form to facilitate nutrient and waste flow?

Question 6

What type of bacterial movement is related to quorum sensing functions?

Question 7

What role does quorum sensing play in bacterial virulence?

Question 8

How do biofilms complicate the treatment of infections?

Question 9

How do bacteria in biofilms change after attaching to a surface?

Question 10

Which environment was mentioned as a common site for biofilms?

Question 11

What is the significance of biofilms in nosocomial infections?

Question 12

How do phages interact with bacterial quorum sensing signals?

Question 13

What are some positive uses of biofilms mentioned in the notes?

Question 14

What evidence suggests that biofilms have existed for 3.5 billion years?

Question 15

In the mechanism of quorum sensing, what are 'autoinducers'?