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The AU rich regions on the stem loop structure of IRE ____________

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The AU rich regions on the stem loop structure of IRE ____________

(a) Promote translation

(b) Promote degradation

(c) Decrease translation

(d) Decrease degradation

I got this question in semester exam.

The question is from Translation in Eukaryotes in chapter Gene Expression : Translation of Cytogenetics

1 Answer

+1 vote
by (1.6m points)
The correct option is (b) Promote degradation

Explanation: The stem loop structures in the 3’ end in the UTR of the mRNA for transferring has some stem loop structures with the loop being rich in AU bases. These loops call in the protein responsible for degrading the mRNA increasing its turnover.

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