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4. The following amino acid sequences list the original sequence and the mutant sequences produced by exposure to the chemical agent SmellyCat, which induces mutations to the DNA. What kind of base change is happening with exposure to SmellyCat? What kinds of structural issues within the DNA could each of these mutations cause? Original: Met-Thr-Asn-Ser Mutant: Met-Asn-Asn-Ser Original: Leu-Asp-Gly-Ser Mutant: Ile-Asp-Gly-Ser Original: Val-Tyr-Cys-Gly Mutant: Val-Tyr

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