Which DNA template letters correspond to the amino acid tryptophan?

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Test your knowledge with the Campbell Biology Concepts and Connections Quiz. Study with flashcards and multiple choice questions, each question has hints and explanations. Prepare effectively for your biology concepts exam!

Multiple Choice

Which DNA template letters correspond to the amino acid tryptophan?

Explanation:
Tryptophan is encoded by a single mRNA codon, UGG. During transcription, the DNA template strand is read to make an mRNA sequence that is complementary to it. To produce the mRNA codon UGG, the DNA template must have the sequence ACC (complementary and antiparallel to UGG). So the DNA template letters corresponding to tryptophan are ACC. The other template sequences would generate different mRNA codons and thus different amino acids.

Tryptophan is encoded by a single mRNA codon, UGG. During transcription, the DNA template strand is read to make an mRNA sequence that is complementary to it. To produce the mRNA codon UGG, the DNA template must have the sequence ACC (complementary and antiparallel to UGG). So the DNA template letters corresponding to tryptophan are ACC. The other template sequences would generate different mRNA codons and thus different amino acids.

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