During translation, which pairing occurs between tRNA and mRNA?

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Study for the A2 Genetics Test focused on Genetic Control of Proteins and Gene Expression. Utilize flashcards and multiple-choice questions, with hints and detailed explanations for each question. Prepare thoroughly for your exam!

Multiple Choice

During translation, which pairing occurs between tRNA and mRNA?

Explanation:
During translation, the pairing that occurs is between the tRNA anticodon and the codon on the mRNA. The anticodon on each tRNA recognizes a specific three-nucleotide codon on the mRNA through base pairing, bringing the corresponding amino acid into the growing polypeptide chain inside the ribosome. This ensures the genetic code is read correctly and the right amino acid is added. Other statements don’t fit because codons reside on mRNA, not on tRNA, and the ribosome itself doesn’t carry an anticodon to match amino acids.

During translation, the pairing that occurs is between the tRNA anticodon and the codon on the mRNA. The anticodon on each tRNA recognizes a specific three-nucleotide codon on the mRNA through base pairing, bringing the corresponding amino acid into the growing polypeptide chain inside the ribosome. This ensures the genetic code is read correctly and the right amino acid is added. Other statements don’t fit because codons reside on mRNA, not on tRNA, and the ribosome itself doesn’t carry an anticodon to match amino acids.

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