例句與造句

1. a group of related and closely linked structural genes, together with the operator gene that controls their expression are collectively called an operon .
   一組相關(guān)的、緊密連鎖的結(jié)構(gòu)基因加上控制其表現(xiàn)的操縱基因，統(tǒng)稱操縱子。
2. the regulator may code for a repressor protein that switches off an operator gene ( in bacteria )
   調(diào)解基因可能編碼一種抑制蛋白，能夠關(guān)閉一個(gè)操縱基因（在細(xì)菌中）。
3. It's difficult to find operator genes in a sentence. 用operator genes造句挺難的