Scientists propose the kind of chemistry that led to life

Before life emerged on earth, either a primitive kind of metabolism or an RNA-like duplicating machinery must have set the stage – so experts believe. But what preceded these pre-life steps?

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<p><a href="http://www.physorg.com/news100533246.html">Scientists propose the kind of chemistry that led to life</a></p> <p>Before life emerged on earth, either a primitive kind of metabolism or an RNA-like duplicating machinery must have set the stage – so experts believe. But what preceded these pre-life steps?</p>