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Vitamins and Coenzymes

Vitamins and Coenzymes
A deficiency of niacin causes

scurvy
cataract
pellagra
anemia

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Vitamins and Coenzymes
Selenium is an essential component of the enzyme glutathione peroxidase which

reduces toxic hydoperoxycompounds in tissues
oxidizes toxic hydoperoxycompounds in tissues
None of these
scavenges toxic hydoperoxycompounds in tissues

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

19000
90,000
9000
39000

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Vitamins and Coenzymes
Which of the following are reduced coenzymes?

NAD+ and FAD
ATP and GTP
Coenzyme A and ubiquinone
NADH and FADH2

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Vitamins and Coenzymes
Vitamin K1 was first isolated from alfalalfa and has the phytyl side chain consisting of

four isoprene units
four isoprene units
nine isoprene units
six isoprene units

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Vitamins and Coenzymes
An example of a digestive hormone is

pepsin
gastrin
lipase
amylase

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