...系家族（stem family system），转换为由夫妻及其未婚子 女构成之夫妇家族（conjugel family system），核家族（nuclear family） 增加 23 。
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“这给了真核生物基因原料，使它们能够积累新的基因。从规模上来讲，重大基因家族和调节系统对于细菌来讲是完全无法负担的”莱恩博士说。
"This gives eukaryotes the genetic raw material that enables them to accumulate new genes, big gene families and regulatory systems on a scale that is totally unaffordable to bacteria," said Dr Lane.
PPAR激动剂，是细胞核激素受体家族转录因子的一个成员，被广泛用来治疗II型糖尿病，而且相对无毒。
Agonists of PPAR, a member of the nuclear hormone receptor family of transcription factors, are widely used in the treatment of type II diabetes and are relatively non-toxic.
核受体家族的经典作用机制是在其配基存在下结合在靶基因的应答元件上，从而在转录水平上调节基因的表达。
The classical mechanism for nuclear receptors to regulate gene expression is to bind the hormone response element(HRE) on the target gene in the presence of their ligands.
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