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Vitamins and Coenzymes

Vitamins and Coenzymes
A fat-soluble vitamin that regulates blood clotting is

vitamin C
vitamin A
niacin
vitamin K

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Vitamins and Coenzymes
A deficiency of niacin causes

anemia
cataract
scurvy
pellagra

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Vitamins and Coenzymes
β-carotene together with α-carotene, γ-carotene and cryptoxanthine are synthesized by

plants and animals both
animal
none of these
plants

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

pyridoxal phosphate
pyrophosphate
NAD+
ferredoxin

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Vitamins and Coenzymes
Vitamin B12 is useful in the prevention and treatment of

scurvy
cataract
beri-beri
pernicious anemia

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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
nine isoprene units
four isoprene units
six isoprene units

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