High Level Expression of the Lac Operon Requires

question 13

Multiple Choice

High level expression of the lac operon requires

• A) high lactose, high glucose.
• B) high glucose, low lactose.
• C) low glucose, low lactose.
• D) low glucose, high lactose.
• E) any of these will give high level expression.

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Definitions:

Alveoli

Tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place during breathing.

Secondary Bronchi

The branches of the main bronchus that lead into each lung, further subdividing into tertiary bronchi.

Bronchioles

Small respiratory airways within the lungs that extend from the bronchi and connect to the alveoli, facilitating air movement.

Larynx

The voice box, located in the neck, which contains the vocal cords and is involved in breathing, producing sound, and protecting the trachea against food aspiration.