Metabolism — Flashcards

Flashcard 1221: What is the most common vitamin deficiency in the U.S.?_____

Answer: Folate (vitamin B9)

Flashcard 1222: Factor XI of the coagulation cascade is activated by factor _____

Answer: XIIa

Flashcard 1223: In Reye syndrome, aspirin can act as a(n) _____ in oxidative phosphorylation

Answer: uncoupling agent

Flashcard 1224: Glucose-6-phosphate dehydrogenase (G6PD) deficiency is a disorder resulting in reduced _____ of G6PD

Answer: half-life

Flashcard 1225: What is the shared structural feature of amyloid?

Answer: Beta-pleated sheet

Extra: All amyloid deposits, regardless of the precursor protein, share a common **cross-beta-pleated sheet** secondary structure. This structural feature is responsible for the characteristic apple-green birefringence when viewed under polarized light after staining with Congo red.

Flashcard 1226: Which monosaccharide(s) are extruded from the intestinal cell into the blood by GLUT-2? _____

Answer: glucose, galactose, and fructose

Flashcard 1227: If G for a reaction is _____ than zero, energy must be added for the reaction to occur

Answer: greater

Flashcard 1228: Serum _____ is a measure of iron in the blood

Answer: iron

Flashcard 1229: If G for a reaction is _____ than zero, the reaction happens spontaneously

Answer: less

Flashcard 1230: What is the cause of death in a patient that overdosed on an uncoupling agent (e.g. 2,4-DNP)?_____

Answer: Hyperthermia