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Vitamins and Coenzymes

Vitamins and Coenzymes
β-carotene together with α-carotene, γ-carotene and cryptoxanthine are synthesized by

plants and animals both
animal
none of these
plants

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

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

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Vitamins and Coenzymes
A fat-soluble vitamin that regulates blood clotting is

vitamin A
vitamin C
niacin
vitamin K

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

Avidin
Ovalbumin
Albumin
Betabindin

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

90,000
19000
9000
39000

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Vitamins and Coenzymes
The disease Beriberi is due to a dietary deficiency in

vitamin B1 (thiamine)
vitamin B12
vitamin B2 (riboflavin)
vitamin B6 (pyridoxine)

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