Question

name the amino acid which is failed to convert to tyrosine during phenylketoneria

Answer 1

The phenylketonuria affected individual lacks an enzyme called phenylalanine hydroxylase that converts the amino acid phenylalanine into tyrosine.

Answer 2

The amino acid which is failed to convert to tyrosine during phenylketonuria is phenylalanine.

EXPLANATION:

• Phenylketonuria is an autosomal recessive disease that causes an error in metabolism.
• It is an inborn genetic disorder. It is caused when the gene coded to make phenylalanine is failed to express itself and in the place of phenylalanine, tyrosine is made.
• This causes the problem of phenylketonuria in which the enzyme phenylalanine hydroxylase is not synthesized which is essential for the breakdown of phenylalanine into tyrosine, in the absence of these enzymes it is converted into a toxic substance called phenylpyruvate.
• Which is released from the urine. If not treated this disease causes mental retardation, pigmentation of skin, etc.

To learn more about Phenylalanine:

The accumulated phenylalanine in phenyl ketonuria is

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What disorders do one face in absence of enzyme phenylalanine hydroxylase?

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