In the intestinal cells,
A) vitamin A, as retinal, is converted to beta-carotene.
B) carotenes are split by an intestinal enzyme to form vitamin
C) excess vitamin A is carried to the kidney for excretion.
D) All of these choices are correct.
Correct Answer:
Verified
Q1: Excess amounts of most fat-soluble vitamins are
A)
Q2: Excess amounts of most water-soluble vitamins are
A)stored
Q4: Beta-carotene is also called
A) provitamin
B) retinal or
Q5: When viewing items at night or in
Q5: Mucus-forming cells in the body deteriorate and
Q6: Retinal,retinol,and retinoic acid are all forms of
A)
Q8: Of the following,the best source of preformed
Q9: Of the following,the best source of provitamin
Q10: A deficiency of vitamin A can lead
Q13: The yellow-orange coloring of carotenoid-rich dark green
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