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Vitamins and Coenzymes

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

39000
9000
90,000
19000

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

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Vitamins and Coenzymes
Which of these molecules is vitamin H?

Folic acid
Biotin
Carnitine
None of these

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

animal
plants and animals both
plants
none of these

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

xeropthalmia
keratinization
night blindness
none of these

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Vitamins and Coenzymes
Which of the following compounds/(s) belong/(s) to the vitamin B6 group?

Pyridoxamine
All of these
Pyridoxine
Pyridoxal

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