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  • tRNA: How Transfer RNA Interprets Genetic Code for Protein Synthesis
    Transfer RNA (tRNA) acts as an interpreter because it translates the genetic code from the language of nucleic acids (mRNA) to the language of proteins.

    Here's how:

    * mRNA carries the genetic code from DNA: Messenger RNA (mRNA) is a copy of a gene's DNA sequence, carrying the instructions for building a specific protein. This code is written in the form of codons, three-nucleotide sequences.

    * tRNA recognizes and binds to specific codons: Each tRNA molecule has a specific anticodon sequence that can base-pair with a complementary codon on mRNA.

    * tRNA carries the corresponding amino acid: Each tRNA molecule is also attached to a specific amino acid, which is determined by the anticodon sequence.

    * tRNA delivers the amino acid to the ribosome: At the ribosome, the tRNA molecule with the correct anticodon pairs with the corresponding codon on the mRNA. This delivers the correct amino acid to the growing polypeptide chain.

    In essence, tRNA acts as a bridge between the mRNA's codons (the genetic code) and the amino acids that will be assembled into a protein. This translation process allows the information encoded in DNA to be used to build the proteins that carry out essential functions in the cell.

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