What is the name of the metabolic disorder characterized by an inability to break down the amino acid phenylalanine?

A Albinism

B Phenylketonuria ✓

C Homocystinuria

D Tyrosinemia

Explanation

Phenylketonuria is a genetic disorder caused by a deficiency of the enzyme phenylalanine hydroxylase, leading to an accumulation of phenylalanine in the body.

Mnemonic

PKU = Phenylalanine Kills Understanding

Source

NCERT Class 12 Biology

Metabolic and Nutritional Disorders Metabolic Disorders Amino Acid Disorders Medium MEDICAL Confidence: high

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What is the name of the metabolic disorder characterized by an inability to break down the amino acid phenylalanine?

Explanation

Mnemonic

Source

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