What percentage of vitamin D from the diet is absorbed?
A) 20%
B) 30%
C) 40%
D) 50%
Correct Answer:
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Q23: Structurally,vitamin D is derived from _.
A)a steroid
B)an
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Q29: Which is the strongest antioxidant?
A)beta-carotene
B)alpha-tocopherol
C)beta-cryptoxanthin
D)lycopene
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