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原生生物的鞭毛和细胞，细菌的鞭毛有什么区别那？ - 知乎 Dartmouth Electron Microscope Facility, Dartmouth College 细菌的鞭毛是由鞭毛蛋白组成的空心的螺旋状纤维；细菌鞭毛的直径约20~30纳米，基部带有旋转马达，一般由质子驱动（细胞膜内外的氢离子浓度差）进行转动（偶尔也能由钠离子驱动），就像电动机那样，转动方向由马达上的分子开关（FliG蛋白）决定
黄维院士已发表3000多论文，是现任JACS主编375篇的8倍之多，似有赶超黄维兵团之势，你怎么看？ - 知乎 Dartmouth College, Dreyfus Lecturer, 2009 George Olah Lecturer, University of Southern California, 2009 Jose Medal of Honor, Institute of Chemistry of Sao Carlos, University of Sao Paulo, Brazil, 2010 Andrew D Dorsey Memorial Award Lecture, University of California at Berkeley, 2011 Abbott Lecturer, University of Wisconsin, 2011