Which of the following statements about RNA splicing is false? A: Conventional introns are not found in bacterial genesB: For a gene to function properly, every exon must be removed from the primary transcript in the same fashion on every mRNA molecule produced from the same geneC: Small RNA molecules in the nucleus perform the splicing reactions D: Splicing usually occurs after the 5′ cap has been added to the 5' end of the primary transcript.

Question

Jack Galloway

Biology

6 January, 09:59

Which of the following statements about RNA splicing is false? A: Conventional introns are not found in bacterial genesB: For a gene to function properly, every exon must be removed from the primary transcript in the same fashion on every mRNA molecule produced from the same geneC: Small RNA molecules in the nucleus perform the splicing reactions D: Splicing usually occurs after the 5′ cap has been added to the 5' end of the primary transcript.

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Anya · Answer 1

The false statement is: B: For a gene to function properly, every exon must be removed from the primary transcript in the same fashion on every mRNA molecule produced from the same gene

RNA splicing represents the process of RNA processing in which newly synthesized pre-mRNA transcript is converted into a mature mRNA. This process occurs only in eukaryotic organism and includes the removal of introns and joining together the exons. RNA splicing might occur during or immediately after transcription and it is performed by spliceosome (complex of small nuclear ribonucleo proteins).