1.Like eukaryotes, but unlike bacteria, they have introns in their transfer RNA, but like bacteria they have polycistronic operons (gene regulators).

1.真核生物菌，转运RNA中含有内含，还有菌具备的多顺反的操纵（的调控）。

2.The lac operon is an inducible operon, whereas the trp operon is a repressible operon.

2.乳糖操纵元是可诱导的操纵元；色氨酸操纵元是可阻遏的操纵元。