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RNA World Hypothesis

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RNA World Hypothesis
A conceptual era in Earth’s early evolution in which life began as biologically active, self-replicating molecules—catalytic RNA—that were later assisted by crude polypeptides See Primordial soup, Urkingdom


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Section II The RNA World 10:00 RIBOZYME-CATALYZED AMINOACYLATION FROM ACETYL COA Na Li* and Faqing Huang, University of Southern Mississippi, Hattiesburg, MS 39406 According to the RNA world hypothesis, the evolution of coded protein synthesis was a critical step in the transition from the RNA world to our contemporary biological systems.
Fans of the RNA world hypothesis, a scenario in which life began with RNA and later added DNA and proteins to its repertoire, are therefore seeking to create self-replicating RNA molecules to mirror those with which life on Earth might have originated.
To support the RNA world hypothesis, numerous artificial RNA enzymes (ribozymes) have been isolated by the powerful combinatorial technique called SELEX.
 
 
 
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