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what are introns?
regions in the DNA/mRNA which do not code for proteins
what is done to the introns in the pre-mRNA?
it must be spliced out the mRNA to produce functional proteins
what are exons?
the regions in the DNA/mRNA which do code for proteins
what is a spliceosome?
a molecule which removes the introns from mRNA
what is mature mRNA?
mRNA which only contains the exons
what happens once the mRNA is mature?
it leaves the nucleus through a nuclear pore and attaches to a ribosome