可用()等材料绑扎插花,达到一种有连带性的装饰效果。 ["缎带","毛线","堑科丝带","云龙纸","拉菲草","纸绳"]
属于遗传密码简并性的是() ["从低等到高等生物都用一套密码","mRNA上密码子与tRNA上反密码子不需严格配对","蛋氨酸密码为起始密码","AAG、AAA都是赖氨酸密码","密码的三联体不间断"]
支气管扩张症最常见的发病部位是() ["左肺上叶","左肺下叶","右肺上叶","右肺中叶","右肺下叶"]
女,34岁,月经不规则半年余,有时腹痛,体检扪及盆腔包块,MRI检查如图所示,最可能的诊断是() ["卵巢囊肿","卵巢皮样囊肿","卵巢黏液癌","卵巢黏液囊腺瘤","卵巢结核"]
释放因子(RF)不具有的作用是() ["使转肽酶水解肽链与tRNA之间的连接键","促进肽链和tRNA的脱落","促进tuRNA与核糖体分离","促进合成的肽链形成空间结构","识别并且结合终止密码"]
烧结矿振筛分工包括()和()。