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Which of the following is a contributor of mRNA stability?

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Which of the following is a contributor of mRNA stability?

(a) Temperature

(b) Poly(A) tail

(c) Guanosine

(d) Uacil

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The above asked question is from Gene Expression Control in portion Control of Gene Expression of Cell Biology

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Correct choice is (b) Poly(A) tail

The best I can explain: The mRNA undergoes post transcriptional modification to prevent premature degradation in the cytoplasm. The mRNA undergoes 5’ capping by a methylated guanosine residue and a 3’ Poly-A-tail using the Rho protein.

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