Quorum Sensing

question 25

Multiple Choice

Quorum sensing

• A)is a phenomenon in which bacteria monitor their own population density.
• B)depends on the sensing of signal protein molecules.
• C)plays an important role in formation of biofilms by Pseudomonas aeruginosa.
• D)all of the choices

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Definitions:

Marginal Cost

Marginal cost refers to the increase or decrease in the total cost when the quantity produced is incremented by one unit.

Fixed Cost

Costs that remain constant regardless of the amount of goods produced or sold, including rent, wages, and insurance premiums.

Sunk Cost

Costs that have already been incurred and cannot be recovered or refunded, and should not influence future business decisions.

Average Fixed Cost

The cost incurred for fixed inputs (rent, salaries) divided by the quantity of output produced, which decreases as production increases.