During translation, which pairing occurs between tRNA and mRNA?

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Prepare for the A2 Genetic Control of Proteins and Control of Gene Expression Exam. Study with in-depth flashcards and multiple-choice questions that offer hints and explanations. Ace 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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