Which of the following statements about RNA processing is correct?
A) Exons are removed before mRNA leaves the nucleus.
B) Ribozymes may function in RNA splicing.
C) RNA splicing can be catalyzed by tRNA.
D) A primary transcript is often much shorter than the final RNA molecule that leaves the nucleus.

Question

Quizplus · Accepted Answer

Ribozymes, which are RNA molecules with enzymatic activity, can indeed function in RNA splicing, a process where introns are removed and exons are joined together to form the mature mRNA molecule. This is a key step in the post-transcriptional modification of RNA in eukaryotes.

Which of the Following Statements About RNA Processing Is Correct