Why Does Phenylalanine Accumulate in Patients with Phenylketonuria

question 31

Multiple Choice

Why does phenylalanine accumulate in patients with phenylketonuria?

• A) They lack an enzyme to break down phenylalanine.
• B) They produce too much phenylalanine.
• C) They lack an enzyme to produce phenylalanine.
• D) They lack an inhibitor of an enzyme to break down phenylalanine.

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Caribbean Area

The Caribbean Area is a region consisting of the Caribbean Sea, its islands, and the surrounding coasts, known for its distinct culture, biodiversity, and historical significance.

Slave Trade

The historical trading of enslaved humans, particularly from Africa to the Americas, as part of a triangular trading system involving manufactured goods, slaves, and agricultural products.

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An island country in the Lesser Antilles of the West Indies, in the Caribbean region of North America, known for its rich history and vibrant culture.