title: The function of vitamin A.
mesh_terms: D000818:Animals; D001120:Arginine; D001224:Aspartic Acid; D001436:Bacteriorhodopsins / Q000378:metabolism; D001692:Biological Transport; D002454:Cell Differentiation / Q000187:drug effects; D002467:Cell Nucleus / Q000502:physiology; D005971:Glutamates; D018698:Glutamic Acid; D025602:Halorhodopsins; D006801:Humans; D008239:Lysine; D009799:Ocular Physiological Phenomena; D012243:Rhodopsin / Q000378:metabolism; D014443:Tyrosine; D014801:Vitamin A / Q000378:metabolism* / Q000494:pharmacology
chemical_list: D005971:Glutamates; D025602:Halorhodopsins; D014801:Vitamin A; D001224:Aspartic Acid; D018698:Glutamic Acid; D014443:Tyrosine; D001436:Bacteriorhodopsins; D012243:Rhodopsin; D001120:Arginine; D008239:Lysine