General Biology I
The 3' poly(A) tail is a stretch of adenine nucleotides added to the 3' end of eukaryotic mRNA molecules after transcription. This modification plays a crucial role in stabilizing the mRNA, enhancing its translation efficiency, and regulating its lifespan within the cell. The poly(A) tail is essential for proper mRNA processing and maturation, linking it to important post-transcriptional gene regulation mechanisms.
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