Which of the following statements about RNA processing in eukaryotes is INCORRECT?

A. The excision of introns from pre-mRNA is the only modification required to produce a mature mRNA.
B. A protein/RNA complex is used to remove introns from the pre-mRNA.
C. A poly A tail is added on to the 3? end of the mRNA.
D. A 7-methylguanosine cap is added on to the 5?end of the mRNA.
E. Modification occurs in the nucleus.


A. The excision of introns from pre-mRNA is the only modification required to produce a mature mRNA.

Biology & Microbiology

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