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Vitamins and Coenzymes

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

39000
90,000
19000
9000

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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
Who discovered vitamin C (ascorbic acid)?

Albert Szent-Gyorgyi
Linus Pauling
Paul Berg
Kerry Mull is

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Vitamins and Coenzymes
Which of these is a vitamin A precursor?

Pyridoxine
Beta-Carotene
Thiamine
Cobalamin

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

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

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

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

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