In addition to phenylalanine hydroxylase deficiency (classic PKU), Malignant phenylketonuria is most commonly caused by a _____ deficiency
Pyruvate dehydrogenase deficiency is characterized by _____ serum alanine starting at infancy
Maple syrup urine disease is characterized by blocked degradation of _____ amino acids
Patients with phenylketonuria must avoid the artificial sweetener _____, which contains phenylalanine
What amino acid becomes essential in patients with phenylketonuria? _____
What stainable protein is abundant in astrocytes?
What enzyme converts pyruvate to alanine?
myeloperoxidase
superoxide dismutase
The Golgi makes modifications to some amino acids trafficking through it. What are the modifications made to threonine?
Study 10 flashcards on Disorders of aromatic amino acids (PKU, alkaptonuria) for USMLE Biochemistry. These active recall cards cover the key concepts, clinical associations, and high-yield facts from this chapter of Amino acid metabolism and disorders. Each card is designed to test your understanding rather than just recognition, building stronger and more durable memories for exam day.
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