Which of the Following Situations Would Be Considered an Example

question 35

Multiple Choice

Which of the following situations would be considered an example of positive regulation of gene expression in a prokaryote?

• A) The CAP protein regulating the lac operon to be active when glucose is absent and lactose is present.
• B) The CAP protein regulating the lac operon to be active when lactose is absent and glucose is present.
• C) The repressor protein regulating the lac operon to be active when glucose is absent and lactose is present.
• D) The repressor protein regulating the lac operon to be active when lactose is absent and glucose is present.

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Definitions:

Absolute Advantage

The ability of a country, individual, company or region to produce a good or service at a lower cost per unit than any competitor.

Comparative Advantage

A principle that states a country or individual can produce a particular good or service at a lower opportunity cost than others.

Trade Patterns

The trends and tendencies in international trade, including what goods and services are traded, with whom, and in what direction.

Gain From Trade

The gain from trade refers to the increase in consumer and producer surplus that results from an open market, allowing countries or individuals to specialize in production and exchange.