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1980s<br />
RIBOZIMAS<br />
VIROIDES<br />
Pospiviroidae<br />
1<br />
9<br />
8<br />
9<br />
Avsunviroidae<br />
Catalizan su propia replicación, funcionando a <strong>la</strong> vez como un<br />
Thomas Cech Sidney Altman<br />
genoma y un enzima (ribozimas o ARNs autocatalíticos)<br />
© J.M. Echevarría, 2011