Research suggests life might have started twice on Earth
According to a report in 'Science Advances,' independent free-living cells could have developed separately in archaea and bacteria following their divergence from a shared ancestor. By analyzing the protein structures of key metabolic enzymes within the genomes of both groups, researchers challenged the traditional single-origin hypothesis. The findings indicate that these two groups developed unique enzymes to carry out identical vital metabolic processes.
by shortkt.com✓