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Posted 3 months ago
The major pathway for mRNA turnover involves:
degradation of the mRNA 3' polyA tail.
cleavage of the mRNAat an internal location.
removal of hte mRNA 55^{\prime} cap.
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Answer from Sia
Posted 3 months ago
degradation of the mRNA 3' polyA tail.
The major pathway for mRNA turnover in eukaryotic cells typically begins with the shortening of the polyA tail at the 3' end of the mRNA molecule. This process is known as deadenylation
Key Concept
mRNA Turnover
The degradation of mRNA molecules in eukaryotic cells often starts with the removal of the polyA tail, which signals the mRNA molecule for further degradation processes.

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