A polycationic mRNA contains two or more promoter sequences. True False Solution Answer-False Description-operon is a functioning unit of genomic DNA containing a cluster of genes under the control of a single promoter.The genes are transcribed together into an mRNA strand and translated together in the cytoplasm, to create monocistronic mRNAs that are translated separately. several strands of mRNA that each encode a single gene productoperon contains one or more structural genes which are generally transcribed into one polycistronic mRNA-a single mRNA molecule that codes for more than one protein. the structural genes lies a promoter sequence which provides a site for RNA polymerase to bind and initiate transcription.Polycistronic mRNA is a mRNA that encodes several proteins and is characteristic of many bacterial and chloroplast mRNAs. Polycistronic mRNAs consist of a leader sequence which precedes the first gene. The gene is followed by an intercistronic region and then another gene. A trailer sequence follows the last gene in the mRNA. Examples of a polycistronic transcripts are found in the chloroplast.