On the rhodopsin cycle.
D000429:Alcohol Oxidoreductases / Q000378:metabolism; D000818:Animals; D002417:Cattle; D002855:Chromatography, Thin Layer; D066298:In Vitro Techniques; D009249:NADP; D010084:Oxidation-Reduction; D010786:Photoreceptor Cells / Q000201:enzymology*; D012168:Retinal Pigments / Q000378:metabolism*; D013237:Stereoisomerism; D014801:Vitamin A / Q000378:metabolism
D012168:Retinal Pigments; D014801:Vitamin A; D009249:NADP; D000429:Alcohol Oxidoreductases