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Vitamins and Coenzymes

Vitamins and Coenzymes
Which of these molecules is vitamin H?

None of these
Folic acid
Biotin
Carnitine

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Vitamins and Coenzymes
Lipoic acid is a co-factor of the

α-ketoglutaric dehydrogenase
di-hydroorotate dehydrogenase
both (a) and (b)
pyruvic dehydrogenase

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Vitamins and Coenzymes
The reductant, NADH, transfers the electrons via a flavo-proteins to the specific disulfide (S-S) protein to form a dithiol (SH,SH) protein which converts vitamin

B12(Co2+)to B12(Co)
B12(Co) to B12(Co2+)
B12(Co2+)to B12(Co+)
B12(Co+)to B12(Co2+)

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Vitamins and Coenzymes
The absence of ascorbic acid in the human diet gives rise to

beri-beri
cataract
pernicious anemia
rickets

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

Albumin
Betabindin
Avidin
Ovalbumin

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

fibrin
prothrombin
thrombin
fibrinogen

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