n.真核；真核生物
=eucarya.
The Eukarya contains four kingdoms, the Animalia, Plantae, Fungi, and Protoctista. 真核生物界包括4个界：动物界、植物界、真菌界和原生生物界。
and 4) their occurrence in unusual habitats.While archaea resemble bacteria in morphology and genomic organization, they resemble eukarya in their method of genomic replication. 4)出现于非寻常环境.
eukarya vector 真核载体
