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Vitamins and Coenzymes

Vitamins and Coenzymes
The symptoms of retinol excess are

weakness
bone fragility
all of these
nausea

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

pyridoxal phosphat
pyrophosphate
ferredoxin
FAD

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Vitamins and Coenzymes
An enzyme, L-folate reductase reduces folic acid to

hydrofolic acid
tetrahydrofolic acid
dihydrofolic acid
trihydrofolic acid

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

pyridoxal phosphate
ferredoxin
NAD+
pyrophosphate

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Vitamins and Coenzymes
An example of a digestive hormone is

lipase
pepsin
gastrin
amylase

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Vitamins and Coenzymes
The reductant, NADH, transfers the electrons via a flavo-proteins to the specific disulfide (S-S) protein to form a dithiol (SH,SH) protein which converts vitamin

B12(Co) to B12(Co2+)
B12(Co+)to B12(Co2+)
B12(Co2+)to B12(Co+)
B12(Co2+)to B12(Co)

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