Practice question

MCQ

Question

Which of the following is incorrect about post-transcriptional modifications?

Options

Choose one · Correct answer highlighted

Introns are removed from pre-mRNA by splicing. A poly-A tail is added to the 5' end of mRNA. Correct A 5' cap is added to mRNA. These modifications occur in the nucleus.

Explanation

The poly-A tail is added to the 3' end of mRNA, not the 5' end.

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