Splicing of eukaryotic mRNA precursors involves all of the following EXCEPT
A) binding of small nuclear RNAs.
B) binding of poly(A) polymerase.
C) assembly of spliceosome.
D) RNA cleavage and ligation reactions.

Question

Quizplus · Accepted Answer

Although poly(A) polymerase is involved in the processing of mRNA, it is not directly involved in splicing of the mRNA precursor. The other answer choices are all involved in the splicing process.

Splicing of Eukaryotic MRNA Precursors Involves All of the Following