Vitamins A, D, E, K
Biochemistry
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Integration of Metabolism
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Nutritional Deficiencies
Q. Which best describes how vitamin D is stored?
a
D2 is absorbed via a photochemical reaction and then reduced in the liver.
b
Vitamin D (D2 from plants, D3 from a photochemical reaction in the skin) is absorbed and then undergoes 25-hydroxylation in the liver.
c
Vitamin D (D3 from plants, D2 from a photochemical reaction in the skin) is absorbed and then undergoes 25-hydroxylation in the liver.
d
Vitamin D is absorbed, hydoxylated in the liver, and then further hydroxylated in the kidney where it's stored.
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