A specific ribonucleic acid (RNA) molecule facilitates the delivery of amino acids to the ribosome, the site of protein synthesis. Each of these specialized RNA molecules is bound to a particular amino acid, based on the genetic code. The interaction between this RNA and the messenger RNA (mRNA) within the ribosome ensures the correct sequence of amino acids is incorporated into the growing polypeptide chain.
The accurate transfer of amino acids to the ribosome is critical for the faithful translation of the genetic code into functional proteins. Errors in this process can lead to the production of non-functional or misfolded proteins, potentially resulting in cellular dysfunction or disease. The discovery of this molecule and its function was a pivotal step in understanding the molecular mechanisms of protein synthesis and the central dogma of molecular biology.