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...
这些粗野的小子应该用马鞭狠狠抽一顿。These young louts deserve to be horse-whipped.他将它们捆起来，然后用马鞭抽打，以“驯服”这些猎物，然后把它们送到动物园去。He tied them up and then horsewhipped them, to "tame" his catches before sending them off to zoos.我随身带一条马鞭,于是冲向那人,狠狠地抽...