Metabolism — Flashcards

Flashcard 81: In the cells of the ileum, the vitamin B12-IF complex dissociates and B12 is bound to _____

Answer: transcobalamin II

Extra: Other:

Flashcard 82: Cyanide inhibits _____ metabolism, resulting in hypoxia unresponsive to supplemental O2

Answer: aerobic

Flashcard 83: One possible adverse metabolic effect of exogenous calcitonin is _____

Answer: hypocalcemia

Extra: Sketchy Pharmacology: Thyroid, Pituitary, & Adrenal

Flashcard 84: The minimum fragment necessary for biologic activity of cholecystokinin (CCK) is the _____

Answer: C-terminal heptapeptide

Flashcard 85: Dyshormonogenetic goiter (congenital defect in thyroid hormone production) most commonly involves a(n) _____ deficiency

Answer: thyroid peroxidase

Flashcard 86: Can red blood cells use ketones for energy? Why? _____

Answer: No, they lack mitochondria

Flashcard 87: Which two organs does galactose primarily enter? _____

Answer: Liver, Brain

Flashcard 88: One function of the HMP shunt is to provide a source of _____, which is used for nucleotide synthesis and glycolytic intermediates

Answer: ribose

Flashcard 89: What organ is responsible for metabolism of ethanol? _____

Answer: Liver

Flashcard 90: Inosine is converted to _____ via the enzyme purine nucleoside phosphorylase (purine salvage)

Answer: hypoxanthine