例句與造句

1. Agrobacterium rhizogenes ( rhizobiacease ) is a kind of gram - negative bacterium , which contains a big ri plasmid ( 200kb ) - root inducing plasmid . there are three types of ri plasmid , mannopine type , cucumopine type and agropine type , according to the type of opine synthesized in transgenic cell
   根據(jù)轉(zhuǎn)化細(xì)胞合成的冠癭堿( opine )的類(lèi)型不同， ri質(zhì)粒分為3種類(lèi)型：甘露堿型( mannopinetype ) 、黃瓜堿型( cucumopinetype )和農(nóng)桿堿型( agropinetype ) 。
2. It's difficult to find root inducing plasmid in a sentence. 用root inducing plasmid造句挺難的