Vitamin B12 deficiency is characterized by _____ serum methylmalonic acid
#2
S-adenosylmethionine (SAM) donates a CH3 group to anabolic pathways, forming _____
#3
Tetrahydrofolate (THF) serves as a 1-_____ carrier
#4
What enzyme converts DHF back to THF?_____
#5
Cystathionine synthase (CBS) deficiency results in high _____ levels, increasing risk for thrombosis
#6
Vitamin B7 (biotin) is a cofactor for the enzyme _____ (propionyl CoA metabolism)
#7
What stainable protein is abundant in astrocytes?
#8
What enzyme converts pyruvate to alanine?
#9
myeloperoxidase
#10
superoxide dismutase
One-carbon metabolism US Medical PG Flashcards - Medical Study Cards
Master One-carbon metabolism 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.
One-carbon metabolism Flashcard Deck - 10 Cards
Flashcard 1: Vitamin B12 deficiency is characterized by _____ serum methylmalonic acid
Answer: increased
Flashcard 2: S-adenosylmethionine (SAM) donates a CH3 group to anabolic pathways, forming _____
Answer: S-adenosylhomocysteine
Flashcard 3: Tetrahydrofolate (THF) serves as a 1-_____ carrier
Answer: carbon
Flashcard 4: What enzyme converts DHF back to THF?_____
Answer: Dihydrofolate reductase
Flashcard 5: Cystathionine synthase (CBS) deficiency results in high _____ levels, increasing risk for thrombosis
Answer: homocysteine
Flashcard 6: Vitamin B7 (biotin) is a cofactor for the enzyme _____ (propionyl CoA metabolism)
Answer: propionyl-CoA carboxylase
Flashcard 7: What stainable protein is abundant in astrocytes?
Answer: GFAP
Flashcard 8: What enzyme converts pyruvate to alanine?
Answer: alanine aminotransferase (ALT)
Flashcard 9: myeloperoxidase
Answer: respiratory burst
Extra: H2O2 HOCl PMNs
Flashcard 10: superoxide dismutase
Answer: respiratory burst
Extra: O2- H2O2
Keywords: One-carbon metabolism flashcards, medical flashcards, NEET PG preparation, USMLE Step 1 flashcards, Anki alternative, spaced repetition medical, OnCourse flashcards
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