Which of the Following Is Not True of RNA Processing

question 21

Multiple Choice

Which of the following is not True of RNA processing?

• A)Exons are cut out before mRNA leaves the nucleus.
• B)Nucleotides may be added at both ends of the RNA.
• C)Ribozymes may function in RNA splicing.
• D)RNA splicing can be catalyzed by spliceosomes.
• E)A primary transcript is often much longer than the final RNA molecule that leaves the nucleus.

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