A Key Gene in Addiction Controls COMT,an Enzyme That Breaks

question 87

Multiple Choice

A key gene in addiction controls COMT,an enzyme that breaks down ____ after its release.​

• A)serotonin
• B)​norepinephrine
• C)​dopamine
• D)GABA

---

Definitions:

Non-REM Sleep

A phase of sleep characterized by slower brain waves and reduced eye movement, distinct from REM (Rapid Eye Movement) sleep.

Rapid Eye Movement

A phase of sleep characterized by quick, random movements of the eyes, associated with vivid dreaming and increased brain activity.

Narcolepsy

A disorder involving sudden and unpredictable daytime attacks of sleepiness or lapses into REM sleep.

Sleepiness

Sleepiness is the state of feeling drowsy or tired, often leading to a decreased ability to remain awake and alert.