The Restriction Enzyme EcoRI Recognizes the Sequence G$AATTC

question 22

Multiple Choice

The restriction enzyme EcoRI recognizes the sequence G$AATTC. Which of the following is TRUE of DNA after it is treated with EcoRI?

• A) All of the DNA fragments will have single- stranded regions ending in AA.
• B) All of the DNA will have blunt ends.
• C) All of the DNA fragments will have single- stranded regions ending in G.
• D) All of the DNA will be circular.
• E) Some of the DNA will have single- stranded regions ending in AA and others will end in G.

---

Definitions:

Motivated Behavior

Actions that are initiated or influenced by desires and needs, driving individuals towards certain goals.

Stomach Contractions

Involuntary movements of the stomach muscles that mix and propel contents through the digestive system, often associated with hunger.

Ventromedial Hypothalamus

A region of the hypothalamus associated with satiety, feeding behavior, and regulation of metabolism.

Leptin

A hormone produced by fat cells that helps to regulate energy balance by inhibiting hunger, thereby governing fat storage in the body.