In phenylketonuria, the deficiency or absence of the phenylalanine hydroxylase enzyme leads to into the inability to convert phenylalanine into which amino acid?

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In phenylketonuria, there is a deficiency or absence of the phenylalanine hydroxylase enzyme, which leads to the inability to convert phenylalanine into tyrosine. This results in a buildup of phenylalanine in the body and a deficiency of tyrosine. Phenylketonuria is caused by the deficiency or absence of the phenylalanine hydroxylase enzyme, which is responsible for converting phenylalanine into tyrosine. Without this enzyme, phenylalanine accumulates in the body and can cause neurological problems.

In Phenylketonuria, the Deficiency or Absence of the Phenylalanine Hydroxylase