geographist

Geographist

1 Years ago
Scientists identify protein that may have existed when life began: The primordial peptide may have appeared 4 billion years ago

Scientists identify protein that may have existed when life began: The primordial peptide may have appeared 4 billion years ago

How did life arise on Earth? Researchers have found among the first and perhaps only hard evidence that simple protein catalysts -- essential for cells, the building blocks of life, to function -- may have existed when life began.

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