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Vitamins and Coenzymes

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

Impaired blood clotting
Blindness
Impaired taste perception
Osteoporosis

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Vitamins and Coenzymes
Ascorbic acid acts as an

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

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

ferredoxin
pyridoxal phosphat
FAD
pyrophosphate

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Vitamins and Coenzymes
Which of these is a vitamin A precursor?

Thiamine
Pyridoxine
Cobalamin
Beta-Carotene

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

amino acids
carbohydrates
fatty acids
sugars

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

thrombin
prothrombin
fibrinogen
fibrin

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