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Vitamins and Coenzymes

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

plants
animals
fishes
micro-organisms

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

reducing agent
oxidizing agent
antioxidants
all of these

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Vitamins and Coenzymes
Acyl carrier protein (ACP) plays an important role in the biosynthesis of

amino acids
sugars
carbohydrates
fatty acids

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Vitamins and Coenzymes
A deficiency of Vitamin K results in a decreased level of

fibrinogen
thrombin
fibrin
prothrombin

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Vitamins and Coenzymes
Vitamin-D deficiency can cause

pernicious anemia
beri-beri
rickets
cataract

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

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

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MORE MCQ ON Vitamins and Coenzymes

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