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Vitamins and Coenzymes

Vitamins and Coenzymes
The vitamin riboflavin is part of the __________ molecule.

pyridoxal phosphat
pyrophosphate
FAD
ferredoxin

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Vitamins and Coenzymes
Vitamin K1 was first isolated from alfalalfa and has the phytyl side chain consisting of

four isoprene units
four isoprene units
nine isoprene units
six isoprene units

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Vitamins and Coenzymes
Which of the following are reduced coenzymes?

Coenzyme A and ubiquinone
NADH and FADH2
NAD+ and FAD
ATP and GTP

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Vitamins and Coenzymes
Vitamin-D deficiency can cause

rickets
beri-beri
pernicious anemia
cataract

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Vitamins and Coenzymes
An enzyme, L-folate reductase reduces folic acid to

hydrofolic acid
tetrahydrofolic acid
trihydrofolic acid
dihydrofolic acid

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Vitamins and Coenzymes
A deficiency of niacin causes

pellagra
cataract
anemia
scurvy

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