What are the functions of (i) methylated guanasine cap, (ii) poly-A “tail” in a mature on RNA?

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asked Dec 8, 2017 in Biology by sforrest072 (157,439 points) 63 448 1274

What are the functions of (i) methylated guanasine cap, (ii) poly-A “tail” in a mature on RNA?

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answered Dec 8, 2017 by mdsamim (213,225 points) 5 10 22
selected Feb 26, 2018 by sarthaks
 
Best answer

Methylated Guanine cap helps in binding of mRNA to smaller ribosomal sub-unit during initiation of translation. 

Poly– A tail provides longevity tomRNA’s life. Tail length and longevity of mRNA are positively correlated.

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