The Lac Operon Is an Example of ________ Control in Which

question 7

Multiple Choice

The lac operon is an example of ________ control in which the presence of an ________ is required for transcription to occur.

• A) negative / activator
• B) negative / inducer
• C) positive / activator
• D) positive / inducer

---

Definitions:

Ankle Bones

The bones that form the joint connecting the foot to the leg, including the tibia, fibula, and talus.

Nasal Cavity

The large air-filled space above and behind the nose in the middle of the face, involved in breathing and smelling.

Wrist

The joint connecting the hand to the forearm, allowing for a wide range of motion and flexibility.

Marble-Sized

Describes an object or mass that is about the same size as a marble, indicating a small, round shape approximately 1/2 inch to 1 inch in diameter.