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Vitamins and Coenzymes

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

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

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Vitamins and Coenzymes
Dihydroorotate dehydrogenase contains

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

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Vitamins and Coenzymes
Which of the following compounds/(s) belong/(s) to the vitamin B6 group?

Pyridoxamine
Pyridoxine
All of these
Pyridoxal

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

cataract
anemia
scurvy
beri-beri

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Vitamins and Coenzymes
Which of these is a symptom of vitamin A deficiency?

Impaired taste perception
Osteoporosis
Blindness
Impaired blood clotting

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

antioxidants
reducing agent
all of these
oxidizing agent

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