Cell interaction in conjugation of ciliates.
D001665:Binding Sites; D002468:Cell Physiological Phenomena; D055598:Chemical Phenomena; D002621:Chemistry; D016798:Ciliophora / Q000254:growth & development* / Q000502:physiology; D003227:Conjugation, Genetic; D005306:Fertilization; D005827:Genetics, Microbial; D005854:Germ Cells / Q000378:metabolism; D008540:Meiosis; D012098:Reproduction