According to the discovery made in $1980's$. $RNA$ can act like enzyme to assemble new $RNA$ molecules on $RNA$ template. Which of the following statements is not proved by this theory?

  • A

    Coacervates may not have been the first step in the evolution of life

  • B

    Perhaps the first macromolecule was $RNA$

  • C

    Coacervates were the basis for the first cell

  • D

    After formation of $RNA$, stability of molecule improved by surrounding $RNA$ within a coacervate

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