Drayna says the GNPTAB gene is present in all higher-order animals and contributes to humans' unique ability to communicate.

VOA: standard.2010.02.11

It's not as simple as DNA going to RNA going to protein, because proteins need to be present in order to make these things happen as well.

基因表达不是简单的从DNA到RNA,再到蛋白质,因为整个过程需要,不同酶的催化作用

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