Question

multiple choice question

which terminology describes the ability of some microbes to detect the numbers of other microbes and alter their behavior?

inducer sensing
biofilm
quorum sensing
chemotaxis

Explanation:

Analyze the question prompt

The question asks for the terminology that describes the ability of some microbes to detect the numbers (density) of other microbes and alter their behavior accordingly.

Evaluate the options

• Inducer sensing: Not a standard biological term for density-dependent coordination.
• Biofilm: A physical structure/community of microbes adhering to a surface, often regulated by density-dependent signaling but not the signaling mechanism itself.
• Quorum sensing: The regulation of gene expression in response to fluctuations in cell-population density, allowing microbes to coordinate collective behaviors.
• Chemotaxis: The movement of an organism or cell in response to a chemical stimulus gradient.

Determine the correct term

The process of detecting cell density to coordinate collective behavior is defined as quorum sensing.

Answer:

• Inducer sensing
• Biofilm
• Quorum sensing (Correct answer)
• Chemotaxis