Question

_____ is responsible for adding 5' cap to the _____ of pre-mRNAs while _____ is responsible...

_____ is responsible for adding 5' cap to the _____ of pre-mRNAs while _____ is responsible for adding poly (A) tail. The 5' cap and poly (A) tail are not only important for the stability of mRNAs but also for splicing and translation.

Word Bank

Spliceosome

PAP (Poly (A) Polymerase)

Intron

Exon

GT (Guanylytransferase)

5' End

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