Retrieving "Polycistronic Mrna" from the archives

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1. Operon

   Linked via "polycistronic mRNA"

   Structural Genes and Polycistronic mRNA
   The genes contained within the operon (the structural genes, $A, B, C$, etc.) are transcribed together into a single messenger RNA molecule known as polycistronic mRNA. This characteristic feature ensures that all required enzymes for a pathway are produced simultaneously and in stoichiometric balance. The efficiency of translation initiation at downstream genes is often regulated by internal [ribosome binding sites](/entries/ribo…