放线菌素抗肿瘤作用机制是() A.引起DNA链间交联,妨碍双链拆开 B.插入DNA双 发布时间:2017-08-30 10:30 │ 来源:www.tikuol.com 题型:单项选择题 问题: 放线菌素抗肿瘤作用机制是()A.引起DNA链间交联,妨碍双链拆开B.插入DNA双链,破坏模板作用C.抑制细胞DNA聚合酶活性D.抑制细胞RNA聚合酶活性E.抑制蛋白质生物合成
题型:单项选择题 Some 80,000 people were reported ________ in the ever recorded worst earthquake in that area last month.A.were killedB.to be killedC.to have been killedD.being killed 查看答案