知识贝壳
知识贝壳
所属栏目：英汉双解生物技术与遗传工程
One of the several forms that a double helix can assume under different conditions in vivo or in vitro. The molecular characteristics of this helix type differ from the more common B form that is be lieved to be predominant under physiological conditions. ......（本文共 592 字 ） [阅读本文] >>