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Vitamins and Coenzymes

Vitamins and Coenzymes
Which of these molecules is vitamin H?

Biotin
None of these
Carnitine
Folic acid

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Vitamins and Coenzymes
The prosthetic group biotin is a carrier of which type of molecule?

Activated carbon dioxide (CO2)
Sulfhydryl group
Ammonia
Methyl group

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Vitamins and Coenzymes
Ascorbic acid acts as an

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

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

fibrin
prothrombin
fibrinogen
thrombin

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

Osteoporosis
Blindness
Impaired blood clotting
Impaired taste perception

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Vitamins and Coenzymes
Which of the following are reduced coenzymes?

NADH and FADH2
ATP and GTP
NAD+ and FAD
Coenzyme A and ubiquinone

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