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Vitamins and Coenzymes

Vitamins and Coenzymes
Vitamin-D deficiency can cause

beri-beri
rickets
cataract
pernicious anemia

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Vitamins and Coenzymes
Which of these hormones is a catecholamine?

Follitropin
Norepinephrine
Tetraiodothyronine
Tetrahydrofolate

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Vitamins and Coenzymes
The occurrence of metals such as iron or molybdenum in some flavoproteins can

all of these
de-stabilize the semiquinone
stabilize the semiquinone
form chelation

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Vitamins and Coenzymes
The most prominent role that tocopherol has in in-vitro systems is as a strong

oxidizing agent
antioxidants
reducing agent
all of these

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Vitamins and Coenzymes
Which of these molecules is vitamin H?

Biotin
Folic acid
Carnitine
None of these

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Vitamins and Coenzymes
What metal ion is specifically bound by vitamin B12?

Iron
Zinc
Cobalt
Copper

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