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Vitamins and Coenzymes

Vitamins and Coenzymes
Which of these molecules is vitamin H?

Folic acid
None of these
Biotin
Carnitine

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

anemia
cataract
scurvy
beri-beri

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Vitamins and Coenzymes
Biotin occurs mainly in combined forms bound to protein through

ε-N-lipoyl - L-lysine
ε-N-lysine moiety
ε-N-biotinyl-L-lysine
ε-S-lysine moiety

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Vitamins and Coenzymes
Dihydroorotate dehydrogenase contains

2 flavins and 4 atoms of iron per molecule
4 flavins and 4 atoms of iron per molecule
2 flavins and 2 atoms of iron per molecule
4 flavins and 2 atoms of iron per molecule

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Vitamins and Coenzymes
Who discovered vitamin C (ascorbic acid)?

Paul Berg
Linus Pauling
Kerry Mull is
Albert Szent-Gyorgyi

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

dihydrofolic acid
tetrahydrofolic acid
hydrofolic acid
trihydrofolic acid

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