The Order of the Structural Genes in the Lac Operon

question 37

Multiple Choice

The order of the structural genes in the lac operon is

• A)5'-lacY-lacZ-lacA-3'.
• B)3'-lacZ-lacY-lacA-5'.
• C)5'-lacZ-lacY-lacA-3'.
• D)3'-lacY-lacA-lacZ-5'.
• E)5'-lacA-lacY-lacZ-3'.

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Definitions:

Appetite

The natural desire or urge to eat, which is regulated by physiological mechanisms in response to the body's energy needs.

Muscular Coordination

The ability to use different muscles together smoothly and efficiently to perform movements.

Cerebellum

A region of the brain that plays a significant role in motor control, coordination, and balance.

Coughing

A rapid expulsion of air from the lungs typically to clear the lung airways of fluids, mucus, or material that causes obstruction or irritation.