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Which of the following is a contributor of mRNA stability?(a) Temperature(b) Poly(A) tail(c) Guanosine(d) UacilI have been asked this question in quiz.The above asked question is from Gene Expression Control in portion Control of Gene Expression of Cell Biology

Answer»

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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