Why Does Phenylalanine Accumulate in Patients with Phenylketonuria

question 6

Multiple Choice

Why does phenylalanine accumulate in patients with phenylketonuria?

• A)They lack an enzyme to break down phenylalanine
• B)They lack an enzyme to produce phenylalanine
• C)They produce too much phenylalanine
• D)They lack an inhibitor of an enzyme to break down phenylalanine
• E)They eat more phenylalanine than most other people

---

Definitions:

Handsome Lake

A Seneca religious leader of the Iroquois people in the late 18th and early 19th centuries, who advocated for moral reform and introduced the Longhouse Religion.

Iroquois Confederacy

A union of several Native American tribes in the northeastern United States, known for their influence on democratic practices and their role in American history.

European-Style

Referring to something, such as design, fashion, or cuisine, that is characteristic of or influenced by European traditions and cultures.

Gradual Emancipation

A legal process through which the emancipation of slaves was made to occur slowly over a period of time, rather than immediately.