A physical or chemical agent that changes the nucleotide sequence of DNA is called a(n)

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A mutagen is a physical or chemical agent that can alter the nucleotide sequence of DNA, leading to genetic mutations. Terminators are DNA sequences that signal the end of a gene, prions are infectious proteins that can cause misfolding of other proteins, and anticodons are specific sequences of nucleotides in tRNA that are complementary to codons in mRNA.

A Physical or Chemical Agent That Changes the Nucleotide Sequence