Mechanism of the biosynthesis of vitamin A from beta-carotene.
D000818:Animals; D002247:Carbon Isotopes / Q000378:metabolism; D002338:Carotenoids / Q000378:metabolism*; D066298:In Vitro Techniques; D007413:Intestinal Mucosa / Q000378:metabolism; D008196:Lymph; D051381:Rats; D013347:Subcellular Fractions / Q000378:metabolism; D014316:Tritium / Q000378:metabolism; D014801:Vitamin A / Q000096:biosynthesis*
D002247:Carbon Isotopes; D014316:Tritium; D014801:Vitamin A; D002338:Carotenoids