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Eukaryotes use ____ and prokaryotes use ____ to coordinately regulate expressiona) transcription factors; operonsb) enhancers; operonsc) operons ; repressorsd) enhancers ; transcription factors

Sagot :

As science advances some preestablished concepts change, traditionally polycistronic (several genes clustered) transcription regulated by an operon was characteristic of bacteria nonetheless some eukaryotes possess this mechanism, the same goes in the opposite direction some eukaryotic mechanism has been found in procaryotes, so we must be careful, nonetheless we can say that operons belong toproceriotes and transcription factors to eukaryotes so the correct answer is option A.