供体菌通过性菌毛连接受体菌,将质粒转移给受体菌的过程称为______。 发布时间:2017-04-03 05:16 │ 来源:www.tikuol.com 题型:填空题 问题: 供体菌通过性菌毛连接受体菌,将质粒转移给受体菌的过程称为______。
题型:填空题 5. --- My grandmother ______ dancing as a hobby in her sixties, and she is really good at it now. --- It’s never too old to learn.A.dressed upB.took upC.looked upD.put up 查看答案
题型:填空题 There _____ a lot of changes in Beijing in the past few years. [ ]A. have been B. are C. were D. has been 查看答案
题型:填空题 2010年10月9日,国家发改委价格司公布《关于居民生活用电实行阶梯电价的指导意见》,向社会公开征求意见。《意见》一公布,仅搜狐网站的网民不同意见就超过了2.1万条。这是:( )A.公民通过社会公示制度参与民主监督B.公民通过舆论监督制度参与民主监督C.公民通过专家咨询制度参与民主决策D.公民通过社情民意反映制度参与民主决策 查看答案