The following statements about retinoic acid are true EXCEPT for:
A) It can be metabolized in the body to retinol.
B) It can be metabolically derived in the body from dietary beta_carotene or retinol.
C) It cannot replace vitamin A in the diet.
D) It acts as a transcriptional co-activator by combining with cellular receptors which then go to the nucleus.
Correct Answer:
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