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 water may be polluted and the wetness of the dirt may not be suitible for numerous plants
Nucleus
The DNA is located in the nucleus which are chromosomes
<span>This system overlaps the above CNS and PNS and include neurons to provide sense information to the brain and motor neurons to drive muscles and glands. This system thus provides the interface between the outside world and the brain.</span>
