Simple membranes could have allowed nutrients to pass into primitive cells

Simple membranes could have allowed nutrients to pass into primitive cells

When the first cells developed, how could they bring molecules from the environment into their living interior without the specialized structures found on the modern cell membrane? A research team from Massachusetts General Hospital (MGH) has found that the sort of very simple membrane that may have been present on primitive cells can easily allow small molecules – including the building blocks of RNA and DNA – to pass thorough. Their report will appear in the journal Nature and is receiving early online release.

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<a href="http://www.physorg.com/news131804433.html">Simple membranes could have allowed nutrients to pass into primitive cells</a> When the first cells developed, how could they bring molecules from the environment into their living interior without the specialized structures found on the modern cell membrane? A research team from Massachusetts General Hospital (MGH) has found that the sort of very simple membrane that may have been present on primitive cells can easily allow small molecules – including the building blocks of RNA and DNA – to pass thorough. Their report will appear in the journal Nature and is receiving early online release.