Exercise: Vitamins And Coenzymes

Questions for: Vitamins And Coenzymes

The prosthetic group biotin is a carrier of which type of molecule?
A:
Activated carbon dioxide (CO2)
B:
Ammonia
C:
Methyl group
D:
Sulfhydryl group
Answer: A
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Vitamins are essential because the organism
A:
can't synthesize these compounds at all
B:
can synthesize these compounds partially
C:
can't synthesize these compounds in the adequate amounts
D:
none of the above
Answer: A
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The absence of ascorbic acid in the human diet gives rise to
A:
rickets
B:
pernicious anemia
C:
cataract
D:
beri-beri
Answer: B
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Which of the following are reduced coenzymes?
A:
NADH and FADH2
B:
NAD+ and FAD
C:
ATP and GTP
D:
Coenzyme A and ubiquinone
Answer: A
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Vitamin B12 (Cobalamin) is only synthesized by
A:
fishes
B:
micro-organisms
C:
plants
D:
animals
Answer: B
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