Q. 25.0( 2 Votes )

State a method of

Answer :

A method of cellular defense which works in all eukaryotic organisms is RNA interference mechanism also called RNAi. In this process, the particular mRNA to be silenced is targeted and is neutralised by inhibiting gene expression or translation. This is also called as mRNA silencing. This silencing is initiated by a complementary dsRNA which comes from viral infections. These viruses have RNA genomes that use RNA intermediates to carry out its replication. By silencing the specific mRNA, its translation cannot occur , thereby any synthesis of polypeptide chains.


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