Exercise: Vitamins And Coenzymes

Questions for: Vitamins And Coenzymes

Which of these molecules is vitamin H?
A:
Biotin
B:
Carnitine
C:
Folic acid
D:
None of these
Answer: A
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Vitamin K1 was first isolated from alfalalfa and has the phytyl side chain consisting of
A:
four isoprene units
B:
six isoprene units
C:
nine isoprene units
D:
four isoprene units
Answer: A
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In one iron-metalloflavoprotein, the iron is present as a
A:
heme-protein
B:
nonheme type
C:
both (a) and (b)
D:
flavin moiety
Answer: A
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Which of these is a vitamin A precursor?
A:
Cobalamin
B:
Pyridoxine
C:
Beta-Carotene
D:
Thiamine
Answer: C
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A fat-soluble vitamin that regulates blood clotting is
A:
vitamin A
B:
vitamin K
C:
vitamin C
D:
niacin
Answer: B
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