Answer:
sigma subunit
Explanation:
Sigma subunit of RNA polymerase holoenzyme directs the enzyme towards the consensus sequences present upstream of the transcription start site. Completion of the initiation phase of transcription is followed by dissociation of sigma subunit from the transcription complex.
The protein NusA replaces the sigma subunit. The RNA polymerase leaves the promoter and starts the elongation
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The answer to this question is no
A) To add medicines to foods that people eat
Correct answer - Heat Energy.
Why? - In every energy transfer, some amount of energy is lost in a form that is unusable. In most cases, this form is heat energy.