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Vitamins and Coenzymes

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

Osteoporosis
Impaired taste perception
Impaired blood clotting
Blindness

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Vitamins and Coenzymes
Ascorbic acid acts as an

oxidizing and reducing agent both
oxidizing agent
reducing agent
None of these

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Vitamins and Coenzymes
What compound of raw egg white causes a syndrome similar to vitamin B deficiency?

Albumin
Avidin
Betabindin
Ovalbumin

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

beri-beri
cataract
pernicious anemia
scurvy

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

Copper
Cobalt
Zinc
Iron

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Vitamins and Coenzymes
Vitamins are essential because the organism

None of these
can't synthesize these compounds at all
can't synthesize these compounds in the adequate amounts
can synthesize these compounds partially

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