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Unformatted text preview: MET VAL HIS LYS ARG THR LEU VAL After irradiation, a mutant strain is produced that makes a mutant protein from the same coding site on DNA: MET VAL HIS LYS GLU PRO Describe the mutation that occurred ( 4 pts) 5) What is a nuclear localization signal, and what importance does it serve? (1 pt) A nuclear localization signal is a specific signal for transported ribosomal proteins that are created a lot. It comes with its own importin nuclear receptors. Basically it attracts a protein that it wants to import to the cell nucleus. It is a sequence of amino acids that lays on the surface of a protein and kind of tags itself. The amino acid sequence it has is to be used when it has met with the target protein to take the protein to the cell nucleus through the Nuclear Pore Complex. Its importin receptors are signals for the nuclear transport receptors of protein that is newly synthesized....
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