There Are a Total of ____ Amino Acids from Protein

question 2

Multiple Choice

There are a total of ____ amino acids from protein that the human body needs, but almost half of these, the essential amino acids, must come from dietary sources since the body cannot synthesize them.

• A) 10
• B) 18
• C) 20
• D) 28

---

Definitions:

Pleasure Principle

A theory in psychoanalytic psychology proposing that people seek pleasure and avoid pain to satisfy biological and psychological needs.

Reality Principle

A psychoanalytic concept where the ego seeks to satisfy the id’s desires in realistic and socially appropriate ways.

Ego

In psychoanalytic theory, the part of the personality that mediates between the demands of the id, superego, and reality.

Superego

Part of Freud's psychoanalytic theory, representing the moral component of the mind, comprising the conscience and ideal self.