Vitamins And Coenzymes

Who discovered vitamin C (ascorbic acid)?

A:

Paul Berg

B:

Linus Pauling

C:

Albert Szent-Gyorgyi

D:

Kerry Mull is

Answer: C

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Selenium is an essential component of the enzyme glutathione peroxidase which

A:

scavenges toxic hydoperoxycompounds in tissues

B:

reduces toxic hydoperoxycompounds in tissues

C:

oxidizes toxic hydoperoxycompounds in tissues

D:

none of the above

Answer: A

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A deficiency of niacin causes

A:

pellagra

B:

scurvy

C:

cataract

D:

anemia

Answer: A

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Models of end-linked Osaka VI Fibrinogen dimers, a bilayer dimer is linked at

A:

both ends by one disulfide bond

B:

either end via two disulfide bonds

C:

either end via a single disulfide bond

D:

both ends by two disulfide bonds

Answer: D

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

A:

stabilize the semiquinone

B:

de-stabilize the semiquinone

C:

form chelation

D:

all of these

Answer: A

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Questions for: Vitamins And Coenzymes