Multiple Choice
Barry is a vegan.His diet does not include foods that contain preformed vitamin A,and he does not take any vitamin A supplements.Nevertheless,his body has adequate vitamin A stores.Which of the following statements provides the best explanation for Barry's adequate vitamin A status?
A) He eats plenty of foods that contain beta-carotene.
B) His body does not require sources of vitamin A.
C) He consumes foods that supply tryptophan,which his liver converts to preformed vitamin A.
D) His fat cells synthesize preformed vitamin A from essential fatty acids.
Correct Answer:
Verified
Correct Answer:
Verified
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