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Vitamins and Coenzymes

Vitamins and Coenzymes
Vitamin-C is considered as a

water soluble
fat soluble
none of these
fat and water soluble

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Vitamins and Coenzymes
The occurrence of metals such as iron or molybdenum in some flavoproteins can

all of these
de-stabilize the semiquinone
form chelation
stabilize the semiquinone

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Vitamins and Coenzymes
The most prominent role that tocopherol has in in-vitro systems is as a strong

oxidizing agent
antioxidants
reducing agent
all of these

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Vitamins and Coenzymes
Acyl carrier protein (ACP) plays an important role in the biosynthesis of

carbohydrates
fatty acids
amino acids
sugars

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

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

none of these
plants
plants and animals both
animal

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