An mRNA molecule codifies only one type of protein?

1 year ago

Eukaryotic cells have monocistronic mRNA, i.e., each mRNA codifies only one polypeptide chain. Prokaryotes can present polycistronic mRNA.

At the end of the assembling of amino acids into a polypeptide chain, the mRNA, by one of its terminal codons, signals to the ribosome that the polypeptide is complete. The ribosome then liberates the produced protein. In prokaryotes after this conclusion the information for the beginning of the synthesis of another different protein may follow in the same mRNA.

Dipti KC
May 7, 2023
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