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Vitamins and Coenzymes

Vitamins and Coenzymes
An example of a digestive hormone is

amylase
gastrin
lipase
pepsin

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Vitamins and Coenzymes
Vitamin-D deficiency can cause

rickets
cataract
pernicious anemia
beri-beri

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

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

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

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

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

pyrophosphate
NAD+
pyridoxal phosphate
ferredoxin

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Vitamins and Coenzymes
Dihydroorotate dehydrogenase contains

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

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