The nervous system damage symptomatic of untreated PKU is due to
A) too much phenylalanine being transported into nerve cells.
B) too few of the other seven neutral amino acids being transported into nerve cells.
C) accumulation of the breakdown products of phenylalanine in nerve cells.
D) none of these.
E) it is not clearly known.

Question

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The Answer of The nervous system damage symptomatic of untreated PKU is due to
A) too much phenylalanine being transported into nerve cells.
B) too few of the other seven neutral amino acids being transported into nerve cells.
C) accumulation of the breakdown products of phenylalanine in nerve cells.
D) none of these.
E) it is not clearly known.

The Nervous System Damage Symptomatic of Untreated PKU Is Due