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

question 19

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

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Definitions:

Neurotoxin

A type of toxin that specifically targets neural tissues, potentially causing damage to the nervous system.

Mutagen

An agent, such as radiation or a chemical substance, that causes genetic mutation.

Carcinogen

is any substance, radionuclide, or radiation that promotes carcinogenesis, the formation of cancer, by altering cellular metabolism or damaging DNA directly in cells.

Stock Split

A corporate action that increases the number of a company's shares by issuing more shares to current shareholders, thus reducing the price per share.