operon

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

乳糖操纵是可诱导的操纵；酸操纵是可阻遏的操纵。

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

像真核生物而不像细菌，转运RNA中含有内含子，还有细菌不具备的多顺反子的操纵子（基因的调控子）。