AP BIOLOGY

Detailed explanation-1: -Introns are removed from primary transcripts by cleavage at conserved sequences called splice sites. These sites are found at the 5′ and 3′ ends of introns. Most commonly, the RNA sequence that is removed begins with the dinucleotide GU at its 5′ end, and ends with AG at its 3′ end.

Detailed explanation-2: -RNA splicing removes the introns from pre mRNA to produce the final set of instructions for the protein. As DNA is transcribed into RNA it needs to be edited to remove non-coding regions, or introns, shown in green.

Detailed explanation-3: -RNA splicing is a process that removes the intervening, non-coding sequences of genes (introns) from pre-mRNA and joins the protein-coding sequences (exons) together in order to enable translation of mRNA into a protein.

Detailed explanation-4: -Introns are the non-coding regions that are removed from the mRNA during splicing. Only the exons, which actually code for genes, are retained.

Detailed explanation-5: -RNA splicing is a process in molecular biology where a newly-made precursor messenger RNA (pre-mRNA) transcript is transformed into a mature messenger RNA (mRNA). It works by removing all the introns (non-coding regions of RNA) and splicing back together exons (coding regions).