At About PH 7 in Most Cells, What Happens to the Carboxyl

question 43

Multiple Choice

At about pH 7 in most cells, what happens to the carboxyl R-group on an amino acid?

• A) It acts as a base and gains a proton, giving it a positive charge.
• B) It acts as an acid and loses a proton, giving it a negative charge.
• C) It is oxidized and tends to act as an electron acceptor in redox reactions.
• D) It remains neutral, like water, and does not have a charge.

---

Definitions:

Identity Crisis

A period of uncertainty and confusion in which an individual struggles with aspects of their identity, such as who they are, their values, and their direction in life.

Adolescents

Young people in the transition stage from childhood to adulthood, typically between the ages of 10 and 19.

Self-understanding

The awareness and comprehension of one's own personality, emotions, motivations, and capabilities.

Personal Fable

A cognitive distortion experienced by adolescents who believe themselves to be unique, invulnerable, and misunderstood.