突变体在毒素作用下，具有较强的防御酶活性，而细胞内膜系统破坏较小则是产生较强抗性的原因。
The mutant under the action of toxin has the ability to increase the defensive enzyme activity and to reduce the damage of cell membrane system that would result in resistance increasing.
通过改变其基因，科学家们能够“调节”蠕虫的自然防御系统-用产生的酶处理过氧化物。
By tweaking its genes, the scientists were able to "tune" the worms' natural defences - enzymes it produces to tackle superoxide.
肝脏微粒体细胞色素P - 450依赖性药物代谢酶(简称MCP - 450)系统和免疫系统是重要的防御体系。
While the microsome cytochrome P450dependent drug metabolic enzyme (MCP450) in liver is organism's defense system to lipid foreign body.
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