Metabolism — Flashcards

Flashcard 271: Vitamin B6 deficiency is characterized by _____ anemia and peripheral neuropathy

Answer: sideroblastic

Flashcard 272: After the α subunit is bound by GTP (cellular signaling), the α-GTP subunit _____ from its respective G protein (i.e. Gs, Gi, or Gq)

Answer: detaches

Flashcard 273: Which organs phosphorylate glucose using glucokinase? _____

Answer: Liver, β cells of the pancreas

Flashcard 274: _____ do not have intrinsic kinase activity, but rather associate non-covalently with proteins that do (e.g. JAK)

Answer: Receptor-associated tyrosine kinases

Flashcard 275: One function of the HMP shunt is to provide a source of _____, which is required for reductive reactions

Answer: NADPH

Flashcard 276: PABA and Pteridine are combined by _____ to form dihydropteroic acid (prokaryotic folate synthesis)

Answer: dihydropteroate synthase

Flashcard 277: Oxaloacetate may be converted to _____ via the enzyme PEP carboxykinase

Answer: phosphoenolpyruvate

Extra: Other:

Flashcard 278: Vitamin B1 deficiency is associated with wet and dry _____

Answer: beriberi

Flashcard 279: Maple syrup urine disease causes increased _____ in the blood, especially those of leucine

Answer: α-ketoacids

Extra: Other:

Flashcard 280: Glucose-6-phosphate is converted to _____ via the enzyme glucose-6-phosphatase

Answer: glucose