title: Dehydrogenation of sterols by the protozoan Tetrahymena pyriformis.
mesh_terms: D000818:Animals; D002247:Carbon Isotopes; D055598:Chemical Phenomena; D002621:Chemistry; D002784:Cholesterol; D002855:Chromatography, Thin Layer; D007259:Infrared Rays; D013058:Mass Spectrometry; D010084:Oxidation-Reduction; D013053:Spectrophotometry; D013261:Sterols / Q000138:chemical synthesis / Q000378:metabolism*; D013769:Tetrahymena pyriformis / Q000378:metabolism*; D014316:Tritium
chemical_list: D002247:Carbon Isotopes; D013261:Sterols; D014316:Tritium; D002784:Cholesterol