Vitamin C and Collagen Synthesis — Flashcards

Flashcard 1: _____ converts Vitamin D3 into 25-hydroxyvitamin D (calcidiol)

Answer: 25-hydroxylase

Flashcard 2: Vitamin _____, known as ergocalciferol, is the form ingested from plants, fungi, and yeasts

Answer: D2

Flashcard 3: Vitamin _____ keeps iron in the Fe2+ state which increases absorption

Answer: C

Flashcard 4: Vitamin _____ is necessary for hydroxylation of proline and lysine in collagen synthesis

Answer: C

Flashcard 5: Patients with selenium deficiency are most likely to have concomitant vitamin _____ deficiency.

Answer: E

Flashcard 6: Vitamin _____ deficiency is characterized by cheilosis and corneal vascularization

Answer: B2

Flashcard 7: Lack of one enzyme of the _____ pathway called L-gulonolactone oxidase in humans explains why ascorbic acid (vitamin C) cannot be endogenously synthesized

Answer: uronic acid

Flashcard 8: anti oxidant vitamins are _____

Answer: A B2 C E

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Flashcard 9: _____ is an iron absorption promoter

Answer: vit C

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Flashcard 10: _____ protein in egg causes biotin deficiency in raw egg eaters

Answer: avidin

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