The receptor for estrogen is a special molecule called a DNA binding factor.

雌激素受体是一类特殊的分子,叫做DNA结合因子

耶鲁公开课 - 生物医学工程探索课程节选

Now remember that only appears in DNA and appears in RNA, and so can also form a hydrogen binding pair with .

还要记住T只出现在DNA中,而U出现在RNA中,U和A也可以通过氢键结合就可以了

耶鲁公开课 - 生物医学工程探索课程节选

It has to do with the nature of this complementary binding between double stranded DNA and the fidelity of this base pair matching in forming stable DNA molecules.

这些特性能从根本上解释,为何DNA双链的碱基能互补配对,以及在形成稳定的DNA分子结构时,碱基互补配对为何具有一致性

耶鲁公开课 - 生物医学工程探索课程节选