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Vladimir [108]
3 years ago
7

What would happen if a cell transcribed and translated a gene’s intron by mistake?

Biology
1 answer:
wariber [46]3 years ago
6 0

An intron is a non-coding region of DNA. During alternative splicing, introns are removed.

  • During eukaryotic transcription, a fragment of DNA (e.g., a gene) is used as a template to synthesize a complementary RNA sequence, usually a precursor mRNA (pre-mRNA).

  • Subsequently, this pre-mRNA is processed by a mechanism called alternative splicing in order to produce a mature mRNA which is then used as template to synthesize a protein by a process called translation.

  • During alternative splicing, non-coding regions of a gene called 'introns' are removed, where coding regions called 'exons' are spliced back together.

  • If a cell transcribed and translated a gene’s intron by mistake, then additional amino acids would be inserted into the protein and therefore the resulting protein will be longer than normal.

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RNA nucleotides form complimentary base pairs with DNA bases.  Hydrogen and sugar-phosphate bonds form and the mRNA is synthesized.

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