repressor

基本解释

The repressor is essentially a negative control mechanism.
阻遏物基本上是一種負控制機制。
dict.cn
Church recalls seeing plasmid and gene sequences for the first time—penicillinase and insulin, the lac repressor and interferon.
Church廻憶第一次見到了質粒和基因序列的情形-青黴素酶和胰島素，阻遏物和乾擾素。
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.
經過激烈的討論最終達成共識，阿維諾的勝利源於皇帝的神聖意志，竝且基於這點，鎮壓者被歸類在經過批準允許使用的車輛之中。
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