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Polyadenylation

Introduction

The nuclear envelope in eukaryotes separates transcription from translation, allowing for mRNA modifications such as polyadenylation, splicing and capping.

A variety of ribonuclear molecules that interact with pre-RNA transcripts mediate these changes.

They do so by coordinating the various stages and connecting them to the nuclear exporting in order to make sure that just mature transcripts are delivered to the cytoplasm translation machinery.

A poly (A) tail is…

… (1171 more words, 50 figures) …

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