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Unformatted text preview: and thus require different sigma factors. These genes would only be transcribed when the correct sigma factor became available. Example of Translational Control in Prokaryotes: Antisense RNA Normally, mRNA is synthesized off of the template (antisense) strand of DNA. Antisense RNA is synthesized from the noncoding (sense) strand of DNA. The two mRNA molecules bond together, inactivating the mRNA. This mechanism appears to be universal among bacteria. It has not been shown to be a normal means in eukaryotes. Antisense RNA can be injected into eukaryotic cells as a control mechanism....
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