title: The effect of potassium iodide on photophobic responses in Euglena: evidence for two photoreceptor pigments.
mesh_terms: D000818:Animals; D005056:Euglena gracilis / Q000187:drug effects* / Q000502:physiology; D008027:Light; D010777:Photochemistry; D010786:Photoreceptor Cells; D010860:Pigments, Biological; D011193:Potassium Iodide / Q000494:pharmacology*
chemical_list: D010860:Pigments, Biological; D011193:Potassium Iodide