A Person with PKU Controls the Buildup of Phenylpyruvic Acid

question 13

Essay

A person with PKU controls the buildup of phenylpyruvic acid in their blood by restricting their dietary intake of phenylalanine, thus avoiding the severe symptoms of mental retardation, slow growth rate, and early death. Yet, she still exhibits the symptoms of fair skin and low adrenaline levels. Why?

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Definitions:

Propositions

Assertions or statements that present an idea or opinion for consideration or debate.

Opposition

In logic and philosophy, the relation between two propositions that have corresponding subject and predicate but differ in quality, such as one being affirmative and the other negative.

Non-categorical

Pertaining to concepts or items not organized according to a specific category or class.

Proposition

A note that communicates a viewpoint or opinion.