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Vitamins and Coenzymes

Vitamins and Coenzymes
Lipoic acid exists in

oxidized form
none of these
reduced form
oxidized and reduced form both

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

plants and animals both
animal
plants
none of these

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Vitamins and Coenzymes
Vitamin B12 is useful in the prevention and treatment of

scurvy
beri-beri
cataract
pernicious anemia

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Vitamins and Coenzymes
An example of a digestive hormone is

gastrin
amylase
pepsin
lipase

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Vitamins and Coenzymes
The vitamin niacin is part of the __________ molecule.

pyridoxal phosphate
NAD+
ferredoxin
pyrophosphate

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Vitamins and Coenzymes
Dihydroorotate dehydrogenase contains

4 flavins and 4 atoms of iron per molecule
4 flavins and 2 atoms of iron per molecule
2 flavins and 4 atoms of iron per molecule
2 flavins and 2 atoms of iron per molecule

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