In: Biology
operons are the functional unit of geonomic DNA containg a cluster of genes under the control of a singale promoter, the genes are transcripted together into an mRNA strand and either translated together in the cytoplasam,'several genes must be co transcipted to define an operon, operons are mainly exist in the prokaryotes and first operons are in eukarytes in 1990, one of main code in the operons is mRNA is mainly trnaslate the messages