repressor

基本解释

The repressor is essentially a negative control mechanism.
阻遏物基本上是一种负控制机制。
dict.cn
Church recalls seeing plasmid and gene sequences for the first time—penicillinase and insulin, the lac repressor and interferon.
Church回忆第一次见到了质粒和基因序列的情形-青霉素酶和胰岛素，阻遏物和干扰素。
After a heated exchange it was eventually agreed that the victory on Avignor had been the Emperor's divine will, and because of the Repressor should be included in the canon of sanctioned vehicles.
经过激烈的讨论最终达成共识，阿维诺的胜利源于皇帝的神圣意志，并且基于这点，镇压者被归类在经过批准允许使用的车辆之中。
blog.sina.com.cn

Of course, they both justify Hamas hostility against Israel because Israel is the "repressor".
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Appears this is regulated in part through the reactivation of polycomb repressor complexes by novel histone demethylases.
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Yin and Tully engineered flies with excess CREB repressor, and they failed to form memories even after many tries.
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a protein synthesized under the control of a repressor gene, which has the capacity to bind to the operator gene and thereby shut off the expression of the structural genes of an operon