helical造句
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 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.