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Vitamins and Coenzymes

Vitamins and Coenzymes
A deficiency of thiamin produces the disease known as

anemia
cataract
beri-beri
scurvy

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

none of these
animal
plants and animals both
plants

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Vitamins and Coenzymes
In one iron-metalloflavoprotein, the iron is present as a

nonheme type
both (a) and (b)
heme-protein
flavin moiety

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

pyridoxal phosphate
NAD+
pyrophosphate
ferredoxin

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Vitamins and Coenzymes
The symptoms of retinol excess are

weakness
nausea
all of these
bone fragility

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Vitamins and Coenzymes
Which of these hormones is a catecholamine?

Tetrahydrofolate
Tetraiodothyronine
Norepinephrine
Follitropin

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