Which of the Statements About Biofilms Is True

question 22

Multiple Choice

Which of the statements about biofilms is True? 

• A) Biofilms are very rarely involved in human bacterial infections.
• B) Biofilms may protect organisms against harmful chemicals.
• C) Biofilms are a peptidoglycan-encased community of microorganisms.
• D) Biofilms may significantly inhibit bioremediation efforts.
• E) Biofilms are very seldom found in a natural environment.

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Definitions:

Lung Cancer

A type of cancer that begins in the lungs, often associated with smoking, though non-smokers can also develop lung cancer.

Defense Mechanism

Unconscious mechanisms employed to shield oneself from anxiety caused by thoughts or feelings considered unacceptable.

Denial

A defense mechanism in which confrontation with a personal problem or with reality is avoided by denying the existence of the problem or reality.

Parietal Lobe

A region of the brain associated with processing sensory information regarding the location of parts of the body as well as visual information.