Domande d'esame VERIFICATO
MBC4
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- RNA processing in eukaryotes involves cleavage, splicing, 5' capping, and polyadenylation to generate mature RNA.
- RNA modifications include editing (deamination), base modifications in tRNAs and rRNAs, and the addition of CCA tails at the 3' end of tRNAs.
- RNA decay mechanisms differ between bacteria and eukaryotes: in bacteria, RNase E cleaves transcripts for degradation, while in eukaryotes, deadenylation and decapping precede exonuclease-mediated degradation.
- Translation involves the decoding of mRNA into proteins by tRNAs, which link amino acids according to their codons. Ribosomes carry out this process with assistance from translation factors.
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