hnRNA undergoes two additional process. Out of them in one process an unusual nucleotide (methyl GPT) is added to the 5’ end of molecule. What would you called this?

(1) Tailing

(2) Splicing

(3) Termination

(4) Capping

(4) Heterogeneous nuclear RNA undergoes two additional processing known as capping and tailing. In capping process  an unusual nucleotide. Methyl guanosine monophosphate (methyl GMP) is added to 5’ end of the RNA.

In tailing process, a adenlate residues (200-300) are added at 3’ end in template independent manner. In splicing, intorns are removed and exons are joined in a definite order. Termination is the ending process in gene expression.

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