The Vitamin Niacin Is Directly Necessary For

question 80

Multiple Choice

The vitamin niacin is directly necessary for:

• A)cell respiration
• B)digestion of protein
• C)absorption of iron in the small intestine
• D)transport of carbon dioxide in the blood

---

Definitions:

Brain Activity

The electrical and chemical processes in the brain that allow for thought, perception, emotion, and movement.

Neuroticism

A personality trait characterized by tendencies toward anxiety, moodiness, worry, and emotional instability.

Extraversion

A personality dimension that characterizes individuals who are outgoing, energetic, talkative, and sociable.

Evolutionary Perspective

A theoretical approach that explains certain human behaviors and psychological traits as adaptations that have evolved to increase survival and reproductive success.