Two types of viral symmetry have been recognized, the cubical symmetry and helical symmetry.已经证实病毒有两种对称型, 即立体对称和螺旋对称.The polynucleotide chain is helical.多核苷酸键是螺旋形的.The high laevorotation of L - cystine depends on a speci...
The polynucleotide chain is helical.多核苷酸键是螺旋形的.In a globular protein, certain portions of the chain are coiled into helical segments.在球状蛋白中, 链的某些部分被盘成螺旋状.Two types of viral symmetry have been recognized, the cubical symm...
女粉丝冲破保安的阻拦，撕扯他的衣裳。Female fans fought their way past bodyguards and tore at his clothes.组织者广泛征询了警方、管事和保安的意见，以保证绝对安全。Organisers had consulted widely with police, stewards and safety officers to ensure tight security.酒店设有地下...
Paul lost both legs, above the knees, during Army service as a paratrooper.保罗在参加陆军当伞兵时, 齐膝盖之上失去了双腿.Could this crafty ex - paratrooper pull off another upset?这位诡计多端的前伞兵会再次爆冷么?Intestines were a - dangling from his paratroo...