The only thing I need to say in order to distinguish this particular part of the chemistry of a DNA or an RNA molecule is to say 'it's DNA or its RNA', and 'what the base is'.

想要区别DNA和RNA,这两种化学结构不同的核酸的话,我只要说明它是DNA还是RNA,它的碱基是什么就够了

耶鲁公开课 - 生物医学工程探索课程节选