The Nucleus and its Functional Domains

ID #2009

The following T/F statement appeared in a Quiz question: "Splicing of the 45S pre-RNA occurs in the dense fibrillar region." Is the definition of the word "spliced" in this question the same as it is in the context of splicing of mRNA?

Yes, splicing in the context of nucleic acid means to make cuts and join ends together. Your job now is to determine if this is true of rRNAs as it is with mRNAs.

(This was a question that couldn't be directly answered while an assignment was active, but for the FAQ, it can be mentioned that the original question referenced is a false statement -- rRNAs are NOT spliced together.)

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