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Vitamins and Coenzymes

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
Which of these is a symptom of vitamin A deficiency?

Impaired taste perception
Blindness
Osteoporosis
Impaired blood clotting

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Vitamins and Coenzymes
An early sign of retinol deficiencies in man is

keratinization
night blindness
xeropthalmia
none of these

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

ferredoxin
pyrophosphate
pyridoxal phosphate
NAD+

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Vitamins and Coenzymes
Which of these molecules is vitamin H?

Biotin
None of these
Folic acid
Carnitine

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Vitamins and Coenzymes
Vitamin B12 (Cobalamin) is only synthesized by

animals
plants
fishes
micro-organisms

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