Ribonucleic acids (RNAs) are single-stranded molecules that play an essential role in the cells of all living organisms. As “transcripts” of our genes, mRNAs, for example, are involved in the translation of genetic information by carrying in their own sequence the instructions for the creation of a protein. “In order to fulfill their diverse functions in the cell, RNAs often need to be chemically modified after their creation or repaired after damage,” explains Andreas Marx, professor of organic and cellular chemistry at the University of Konstanz.
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Source: Phys.org