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Question
Which of the following features is absent in prokaryotic mRNA but present in eukaryotic mRNA?
Options
Ribosome binding site
Only coding regions
3' Poly-A tail
Polycistronic nature
MCQ
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Solution
The 3' Poly-A tail is present in eukaryotic mRNA but absent in prokaryotic mRNA. This tail is added during post-transcriptional processing and contributes to the high stability of eukaryotic mRNA.
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