damage agent meaning in English
杀伤物质
战斗装药
Examples
- The damaging agents have been grouped according to the type of damage they cause .
为害的因子按其为害的类型进行归类。 - Mms , a kind of dna - damaging agent , predominantly methylates ring nitrogens of pyrine , leading to dna double - strand breaks , point mutation and so on
甲磺酸甲酯( methylmetbanesulfonate ， mms )是一种能够损伤dna的烷化剂，主要使dna嘌呤碱基上的o 、 n甲基化，造成dna双链断裂、点突变。 - However , organism can react to the stress actively and the mutagenesis is not a passive event . sos response is employed in dna damaging agents challenged e . co / i , to cope with abnormal conditions
当受到外源dna损伤因子的攻击时，大肠杆菌e . coil能启动sos反应以应对不良环境，提高对致损伤刺激的耐受能力，减少损伤的发生。 - Recent reports showed that telomerase activity in s . cerevisiae cells could be significantly up - regulated after exposure to some dna - damaging agents , which may be related with dna - damage repair
端粒酶与细胞生长、繁殖、衰老及肿瘤的发生密切相关。近来研究发现，酿酒酵母经dna损伤剂作用后端粒酶活性升高，可能与端粒dna损伤后修复机制有关。