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Vitamins and Coenzymes

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

Osteoporosis
Impaired taste perception
Impaired blood clotting
Blindness

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Vitamins and Coenzymes
An enzyme, L-folate reductase reduces folic acid to

trihydrofolic acid
dihydrofolic acid
hydrofolic acid
tetrahydrofolic acid

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

thrombin
fibrin
fibrinogen
prothrombin

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Vitamins and Coenzymes
What compound of raw egg white causes a syndrome similar to vitamin B deficiency?

Betabindin
Avidin
Ovalbumin
Albumin

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Vitamins and Coenzymes
Which of these molecules is vitamin H?

None of these
Biotin
Carnitine
Folic acid

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Vitamins and Coenzymes
Vitamin K1 was first isolated from alfalalfa and has the phytyl side chain consisting of

nine isoprene units
four isoprene units
six isoprene units
four isoprene units

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