Disorders of aromatic amino acids (PKU, alkaptonuria) US Medical PG Flashcards - Medical Study Cards
Master Disorders of aromatic amino acids (PKU, alkaptonuria) with OnCourse flashcards. These spaced repetition flashcards are designed for medical students preparing for NEET PG, USMLE Step 1, USMLE Step 2, MBBS exams, and other medical licensing examinations.
Disorders of aromatic amino acids (PKU, alkaptonuria) Flashcard Deck - 10 Cards
Flashcard 1: In addition to phenylalanine hydroxylase deficiency (classic PKU), Malignant phenylketonuria is most commonly caused by a _____ deficiency
Answer: dihydrobiopterin reductase
Flashcard 2: Pyruvate dehydrogenase deficiency is characterized by _____ serum alanine starting at infancy
Answer: increased
Flashcard 3: Maple syrup urine disease is characterized by blocked degradation of _____ amino acids
Answer: branched
Flashcard 4: Patients with phenylketonuria must avoid the artificial sweetener _____, which contains phenylalanine
Answer: aspartame
Flashcard 5: What amino acid becomes essential in patients with phenylketonuria? _____
Answer: Tyrosine
Flashcard 6: What stainable protein is abundant in astrocytes?
Answer: GFAP
Flashcard 7: What enzyme converts pyruvate to alanine?
Answer: alanine aminotransferase (ALT)
Flashcard 8: myeloperoxidase
Answer: respiratory burst
Extra: H2O2HOClPMNs
Flashcard 9: superoxide dismutase
Answer: respiratory burst
Extra: O2-H2O2
Flashcard 10: The Golgi makes modifications to some amino acids trafficking through it. What are the modifications made to threonine?
Answer: O-oligosaccharide
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