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Vitamins and Coenzymes

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

plants
plants and animals both
none of these
animal

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

pyridoxal phosphat
ferredoxin
pyrophosphate
FAD

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Vitamins and Coenzymes
Vitamin B12 (Cobalamin) is only synthesized by

fishes
micro-organisms
plants
animals

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

Blindness
Osteoporosis
Impaired blood clotting
Impaired taste perception

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Vitamins and Coenzymes
Ascorbic acid acts as an

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

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Vitamins and Coenzymes
Vitamin-D deficiency can cause

pernicious anemia
rickets
cataract
beri-beri

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