What Happens When the CAMP-CAP Complex Binds the CAP Site

question 31

Multiple Choice

What happens when the cAMP-CAP complex binds the CAP site near the lac promoter?

• A)Transcription rate decreases.
• B)Transcription rate increases.
• C)RNA polymerase binds to the promoter.
• D)RNA polymerase binds to the promoter and transcription rate decreases.
• E)RNA polymerase binds to the promoter and transcription rate increases.

---

Definitions:

Gastrin

Hormone secreted in the mucosa of the stomach and duodenum that stimulates the secretion of hydrochloric acid by the parietal cells of the gastric glands.

Gastric Secretion

The process of producing and releasing fluids containing hydrochloric acid and digestive enzymes by the stomach lining.

Chyme

The fluid mixture of partially digested food and digestive secretions that is formed in the stomach and intestine during digestion.

Gastric Juices

A mixture of mucus, hydrochloric acid, and digestive enzymes produced by the stomach lining to aid in the digestion of food.