阻遏

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

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。

Catabolite repression is considered as a main factor controlling yield of cellulases.

降解物阻遏是菌株控产酶量的主要调节机。