You Are Growing Bacillus Subtilis in a Bioreactor and Notice

question 23

Multiple Choice

You are growing Bacillus subtilis in a bioreactor and notice that the growth rate has slowed and the pH has decreased. What could you do?

• A) Add peptides.
• B) Add glucose.
• C) Add lactose.
• D) Add oxygen.
• E) None of the above.

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Definitions:

Economies of Scale

The cost advantage that arises with increased output of a product, leading to a fall in the per-unit production cost.

Average Total Cost

The total cost of production divided by the number of units produced, essentially representing the per-unit production cost.

Marginal Cost

The financial outlay involved in the manufacture of one more unit of a product or service.

Monopoly Power

The capacity of a firm to control market prices and exclude competition, often by being the sole provider of a product or service.