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Which polymerase can be used in conjunction with appropriate phage promoters in order to have high levels of specific transcription?

Which polymerase can be used in conjunction with appropriate phage promoters in order to have high levels of specific transcription? Correct Answer DNA dependent RNA polymerase

DNA dependent RNA polymerases are very specific for phage promoters and thus they are used for carrying out highly specific transcription. They are often isolated from T3, T7 phages.

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