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Vitamins and Coenzymes

Vitamins and Coenzymes
An example of a digestive hormone is

amylase
lipase
gastrin
pepsin

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

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

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

none of these
plants and animals both
animal
plants

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Vitamins and Coenzymes
In one iron-metalloflavoprotein, the iron is present as a

both (a) and (b)
nonheme type
heme-protein
flavin moiety

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Vitamins and Coenzymes
An early sign of retinol deficiencies in man is

xeropthalmia
none of these
keratinization
night blindness

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

Impaired taste perception
Osteoporosis
Blindness
Impaired blood clotting

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