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Quorum sensing Knowledge-Based Practice

Biology · Cell Communication & the Cell Cycle · Biology · Cell Communication

1 Biology practice questions on Quorum sensing. Questions that assess core concepts and understanding.

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Questions

  1. 1.

    Which of the following statements best describes the primary mechanism and function of quorum sensing in bacteria?

    • A) It is an irreversible programmed cell death pathway triggered by nutrient starvation to conserve metabolic resources for surviving cells.
    • B) It is a contact-dependent communication system in which bacteria transfer genetic material through sex pili upon membrane fusion.
    • C) It is a density-dependent communication process in which bacteria monitor population size via autoinducer molecules to coordinate collective behaviors.
    • D) It is an intracellular signaling cascade that detects extracellular glucose levels to regulate the transition between aerobic and anaerobic respiration.

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