Cell density as a selective parameter in Tetrahymena.
D000818:Animals; D002452:Cell Count; D002455:Cell Division; D002499:Centrifugation, Density Gradient; D008722:Methods; D009154:Mutation; D010781:Photography; D011134:Polysaccharides; D013395:Sucrose; D013696:Temperature; D013769:Tetrahymena pyriformis / Q000166:cytology / Q000254:growth & development / Q000302:isolation & purification* / Q000378:metabolism
D011134:Polysaccharides; D013395:Sucrose