Biofilms

Free living bacterial cells are said to be.....

• Planktonic

• Ascribed

• Sessile

• Liberated

Tags

NGSS.MS-LS1-1

What role do biofilms NOT play?

please choose the incorrect statement:

• A biofilm can play a role in preventing phagocytosis

• A biofilm helps prevent bacteria from attaching to any one specific surface

• Biofilms can make many antibiotics less effective

• Biofilms protects bacteria from chemical disinfectants

Which of the following statements about biofilms is/are true

• In a single species biofilm, the interior environment is uniform throughout.

• The environment of the biofilm matrix is not conducive to gene transfer

• In biofilms there is often metabolic cooperation

• Biofilms can often continue to grow at low nutrient concentrations.

Tags

NGSS.HS-LS2-6

Biofilm formation begins with .....

• Cells maturing

• Free-floating cells attaching to a surface

• Extracellular polymeric substances

• A sugary matrix

.....is the ability of organisms to degrade hazardous waste

• Reproduction

• Biofilm

• Microbial

• Bioremediation

Tags

NGSS.HS-LS2-7