repressor

名词 repressor:

1. an agent that represses
   同义词：represser

re.pres.sor

n.（名词）
Also re.press.er One that represses.
也作 re.press.er 压制者
Genetics A protein that binds to an operator, blocking transcription of an operon and the enzymes for which the operon codes.
【遗传学】 阻遏物：结合在操纵基因上的一种蛋白，阻止操纵子以及操纵子的酶的转录