Which of the following statements about the 5?cap and mRNA processing is TRUE?
A. The 5' cap causes the mRNA to be rapidly degraded.
B. The 5' cap prevents the exit of mRNA from the nucleus.
C. The 5? cap is added to the pre-mRNA by splicesomes.
D. The 5? cap is a group of adenosine molecules.
E. The addition of a 5? cap to mRNA occurs while the pre-mRNA is being made.
Answer: E
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