What is the sequence of three bases on tRNA that pairs with the complementary three-nucleotide codon on mRNA during protein synthesis?

Study for the DNA Structure, Replication, Transcription and Translation Test with flashcards and multiple choice questions. Each question offers hints and explanations. Prepare thoroughly and excel in your exam!

Multiple Choice

What is the sequence of three bases on tRNA that pairs with the complementary three-nucleotide codon on mRNA during protein synthesis?

Explanation:
During translation, the three-nucleotide sequence on tRNA that recognizes the mRNA codon is called the anticodon. It is complementary and oriented in the opposite direction to the codon, so the bases pair as A with U and G with C. This precise pairing ensures the tRNA brings the correct amino acid to the ribosome for incorporation into the growing protein sequence. The codon is the corresponding three bases on mRNA, while introns and exons pertain to gene structure and RNA processing, not this tRNA–mRNA interaction.

During translation, the three-nucleotide sequence on tRNA that recognizes the mRNA codon is called the anticodon. It is complementary and oriented in the opposite direction to the codon, so the bases pair as A with U and G with C. This precise pairing ensures the tRNA brings the correct amino acid to the ribosome for incorporation into the growing protein sequence. The codon is the corresponding three bases on mRNA, while introns and exons pertain to gene structure and RNA processing, not this tRNA–mRNA interaction.

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