Thousands of meteorites penetrate Earth's atmosphere and fall harmlessly to the ground each year.每年,几千块陨石穿过地球大气,掉到地面上,并不会造成什么伤害.One theory about the existence of extraterrestrial life rests on the presence of carbon...
原肌球蛋白增加细丝的结构刚性.Tropomyosin adds structural rigidity to the thin filament.利用免疫化学染色,这些生长的神经轴突可被对抗神经细丝的单株抗体所染色.The neurites were also Identified by immunochemical staining using monoclonal antibody to neurofilament....