Incorporation of (3H)vitamin A into rhodopsin in light- and dark-adapted frogs.

Adaptation, Ocular Animals Anura Body Weight Carbon Radioisotopes Chromatography Dark Adaptation Epithelium/metabolism Humans Injections, Intravenous Leucine/metabolism Light Rana pipiens Retina/metabolism Retinal Pigments/metabolism Time Factors Tritium Vitamin A/metabolism

Carbon Radioisotopes Retinal Pigments Tritium Vitamin A Leucine