Which statement correctly describes vitamin A?
A) Vitamin A is carried from the liver by retinol-binding protein and transthyretin in the blood.
B) Nearly all cells have vitamin-A binding retinoid receptors.
C) Within a cell,vitamin A is involved in gene expression and cell differentiation.
D) All of the choices are correct.
Correct Answer:
Verified
Q12: Some scientists believe that the vitamin D
Q13: The yellow-orange coloring of carotenoid-rich dark green
Q14: In North America,population groups at increased risk
Q15: A deficiency of vitamin A often results
Q16: The most likely cause of a vitamin
Q18: Vitamin A supplements are not necessary for
Q19: The biochemical functions of vitamin A include
Q20: Excess amounts of most fat-soluble vitamins are
A)stored
Q21: Vitamin A toxicity is known to cause
Q22: As calcium levels in the blood drop
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