Which of the following substances is a provitamin or a precursor for a vitamin?
A) Lecithin
B) Alpha-tocopherol
C) Acetyl-CoA
D) Beta-carotene
Correct Answer:
Verified
Q17: _ are water-soluble vitamins.
A)Pantothenic acid,vitamin C,and thiamin
B)Vitamin
Q18: A researcher has isolated an organic,water-soluble chemical
Q19: _ are fat-soluble vitamins.
A)Vitamins K,D,and A
B)Niacin,riboflavin,and thiamin
C)Pantothenic
Q20: Which of the following statements is true?
A)Scientists
Q21: _ is added to refined cornmeal during
Q23: The human body can absorb some of
Q24: When cooking green beans,Lenny likes to add
Q25: The human body can absorb some _
Q26: _ is added to refined cereal grains
Q27: Which of the following statements is true?
A)Vitamin
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