Metabolism — Flashcards

Flashcard 281: What enzyme is involved in the synthesis of T4? _____

Answer: Thyroid Peroxidase (Thyroperoxidase)

Flashcard 282: _____ is synthesized from L-arginine via NO synthase

Answer: NO

Flashcard 283: Congenital sideroblastic anemia is most commonly due to a defect in the enzyme _____

Answer: δ-aminolevulinic acid synthase (ALAS)

Extra: Other:

Flashcard 284: Glucose-6-phosphate is converted to _____ via the enzyme glucose-6-phosphatase

Answer: glucose

Flashcard 285: The enzyme _____ is an important enzyme for de novo purine production, which converts PRPP to an intermediate used in the generation of IMP

Answer: PRPP amidotransferase

Flashcard 286: Formation of lysine-hydroxylysine cross-linkages (collagen synthesis) requires both _____ and the enzyme _____

Answer: copper

Flashcard 287: Dephosphorylation of glycogen phosphorylase causes enzyme _____

Answer: inactivation

Flashcard 288: Tissues that are not dependent on insulin for glucose uptake may be remembered using the mnemonic "BRICK LIPS": B: _____ R: RBCs I: Intestine C: Cornea K: Kidney L: Liver I: Islet (β) cells P: Placenta S: Spermatocytes

Answer: Brain

Flashcard 289: Mild deficiencies of vitamin B3 cause _____

Answer: glossitis

Flashcard 290: How does TIBC change with pregnancy or OCP use? _____

Answer: Increased