-Refer to Exhibit 3A

question 18

Multiple Choice

$$\begin{array}{l}\text { Exhibit } \mathbf { 3 A } \text { (for this chapter) }\\\begin{array} { l l l l } \text { Amino acid } & \boldsymbol { \alpha } \text {-carboxyl group pK a } & \boldsymbol { \alpha } \text {-amino group pK a } & \text { R-group pK } \\\hline \text { Ala } & 2.3 & 9.7 & \\\text { Arg } & 2.2 & 9.0 & 12.5 \\\text { Asn or Gln } & 2.1 & 9.0 & 4.0 \\\text { Asp or Glu } & 2.2 & 9.8 & 8.3 \\\text { Cys } & 1.7 & 10.8 & 6.0 \\\text { His } & 1.8 & 9.2 & \\\text { Ser } & 2.2 & 9.2 & 10.1\end{array}\end{array}$$
-Refer to Exhibit 3A. The pI of an amino acid is the pH at which it has a zero net charge. What is the increasing order of isoelectric points (low pH to high) for these three amino acids?

• A) ALA, HIS, ASP
• B) ASP, ALA, HIS
• C) HIS, ALA, ASP
• D) ALA, ASL, HIS
• E) ASP, HIS, ALA

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Definitions:

Generation Gap

A divide between adolescence and other periods of life that supposedly reflects profound differences in behavior, values, attitudes, lifestyle choices, and experiences.

Autonomy

The development and expression of independence.

Communication Breakdown

The failure to accurately convey or understand messages between communicators, leading to confusion or conflict.

Maturity

The state of being fully developed in body or mind, often associated with adulthood and the ability to respond to situations in an appropriate manner.