Excretion of protoporphyrin IX by Euglena.
D000220:Adaptation, Biological; D002734:Chlorophyll / Q000096:biosynthesis*; D003624:Darkness; D005055:Euglena / Q000378:metabolism*; D008027:Light; D011166:Porphyrins / Q000378:metabolism*; D013053:Spectrophotometry
D011166:Porphyrins; D002734:Chlorophyll