The Sensing of Starvation That Leads to Sporulation in Bacillus

question 46

Multiple Choice

The sensing of starvation that leads to sporulation in Bacillus subtilis is accomplished by a(n)

• A)small RNA.
• B)sensor kinase.
• C)response regulator.
• D)quorum regulatory effector.

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Definitions:

Marginal Cost

The added expense required to produce one more unit of a product or service.

Fixed Cost

An expense that remains constant regardless of the volume of products or services manufactured or distributed.

Monopoly Profits

The excess profits earned by a monopoly as a result of its ability to set price above marginal costs due to lack of competition.

Duopoly

A market structure dominated by two firms, each of which has significant control over the market price.