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Vitamins and Coenzymes

Vitamins and Coenzymes
β-carotene together with α-carotene, γ-carotene and cryptoxanthine are synthesized by

none of these
animal
plants
plants and animals both

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Vitamins and Coenzymes
Which of the following are reduced coenzymes?

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

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

19000
9000
39000
90,000

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Vitamins and Coenzymes
Which of these is a symptom of vitamin A deficiency?

Impaired taste perception
Osteoporosis
Impaired blood clotting
Blindness

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Vitamins and Coenzymes
Which of these molecules is vitamin H?

None of these
Biotin
Carnitine
Folic acid

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Vitamins and Coenzymes
In the co-enzyme B12the position occupied by a cyanide ion in vitamin B12 is bonded directly to the __________ of the ribose of adenosine.

hydroxycobalamin
adenine
cyanocobalamin
5-6 dimethylbenzimidazole

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