They took specially designed strands of DNA -- ones made solely of thymine bases, in order to boost the chance of observing a reaction between adjacent thymines -- and exposed them to UV light.
They took specially designed strands of DNA -- ones made solely of thymine bases, in order to boost the chance of observing a reaction between adjacent thymines -- and exposed them to UV light.
他们设计采用了特异的DNA链—为了增加观察临近胸腺嘧啶反应，一条链仅由胸腺嘧啶组成，并且暴露于紫外光下。