How Does Quorum Sensing Benefit Microbial Members of a Biofilm

question 8

Multiple Choice

How does quorum sensing benefit microbial members of a biofilm? (Select all that apply)

• A) This chemical intercellular communication helps regulate gene expression as cell density in the biofilm changes
• B) Chemicals can be sent throughout the colony to help individual cells adapt to changing nutrient levels
• C) Signals are sent to help community members avoid toxins
• D) Intercellular messages help the microbial community evade immune attack and defend against competing microorganisms

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Definitions:

Osseous Tissue

is a major structural and supportive connective tissue of the body, forming the skeletal system; also known as bone tissue.

Cancellous Tissue

A spongy type of bone tissue found at the ends of bones and in the interior of vertebrae, known for its porous, honeycombed structure.

Marrow

Marrow is the soft, spongy tissue inside bones that produces blood cells.

Osteoblasts

Cells responsible for bone formation, playing key roles in the growth, repair, and remodeling of bones.