Exhibit 3A (For This Chapter) Refer to Exhibit 3A

Multiple Choice

Exhibit 3A (for this chapter) 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