The length of the flagella is about 1.5 times as the cell diameter.两条鞭毛稍不等长,着生于细胞前端,鞭毛长约为细胞直径的1.倍.Microtubules are also used in the construction of centrioles , basal bodies , cilia and flagella.微管还用于建造中心粒,基体, 纤毛和鞭毛.The ...
The rotation of flagella pushes the bacteria through the water.鞭毛的旋转可以推动细菌在水中行进。Microtubules are also used in the construction of centrioles , basal bodies , cilia and flagella.微管还用于建造中心粒,基体, 纤毛和鞭毛.The length of the flag...
It had been known for some time that chemical reactions can be catalyzed by materials with large surface areas.人们早已知道，如果材料的表面积足够大，可引起催化反应。Modern technology catalyzed tremendous economic growth in China.现代技术促成了中国经济的巨大发展。T...
We are seeking continuous, incremental improvements, not great breakthroughs.我们在寻求持续的、渐进的改善，而不是重大的突破。Exciting artistic breakthroughs have recently occurred in the fields of painting, sculpture and architecture.绘画、雕塑和建筑领域...