Prokaryotes lack organelles such as nucleoli, mitochondria, plastids, Golgi apparatus, and do not exhibit cyclosis.

原核生物无细，核仁、线粒体、质体、高尔基体等，不出质环流。

The best studied inducible and repressible enzyme in phytopathogenic prokaryotes is endo-pectate lyase in E. carotovora.

植物病原原核生物中研清楚的是胡萝卜软腐菌的果胶酸内裂解酶。