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Vitamins and Coenzymes

Vitamins and Coenzymes
What metal ion is specifically bound by vitamin B12?

Copper
Iron
Zinc
Cobalt

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

fibrin
fibrinogen
thrombin
prothrombin

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Vitamins and Coenzymes
Vitamins are essential because the organism

can't synthesize these compounds at all
None of these
can't synthesize these compounds in the adequate amounts
can synthesize these compounds partially

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

pernicious anemia
beri-beri
cataract
rickets

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Vitamins and Coenzymes
E.coli ACP has its molecular weight as around

90,000
9000
39000
19000

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

Thiamine
Cobalamin
Pyridoxine
Beta-Carotene

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