Operons electron micrograph

Figure 28-5 Electron micrograph showing transcription from an unidentified operon in E. coli. Note the DNA duplexes (horizontal) and the mRNA chains with ribosomes attached. The mRNA chains are shorter at the right side where transcription begins and larger to the left where transcription has proceeded for a longer time. From O. L. Miller, Jr.85...

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See also in sourсe #XX -- [ ]

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