That's very useful for things like chemical reactions where this constituent changes to this one.

对于化学反应之类的过程,这是非常重要的。

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There's a diverse range of responses that might occur, but that response is initiated by this simple chemical process of a ligand binding to a receptor.

细胞对外界信号可能会发生不同的反应,但这些反应都源自,配体和受体结合这个简单的化学过程

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