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Vitamins and Coenzymes

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

fibrinogen
fibrin
prothrombin
thrombin

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Vitamins and Coenzymes
Ascorbic acid acts as an

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

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Vitamins and Coenzymes
Main function of insulin hormone is to

increase blood sugar
increase glycogen in liver
decrease blood sugar
decrease glycogen in liver

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

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

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Vitamins and Coenzymes
The symptoms of retinol excess are

weakness
nausea
bone fragility
all of these

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

FAD
ferredoxin
pyrophosphate
pyridoxal phosphat

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