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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Answer:Yo me imaginaria En varias partes de esta historia se describe cómo es el lugar donde vivía Eireté,Releé y señalá todos los fragmentos 
 
        
             
        
        
        
Answer: Hydrogen 
Explanation:
Because it is the element that everything is created with it is everywhere. All life has hydrogen in it, our air, SPACE, everything.
 
        
             
        
        
        
Answer:
mouth and or nose
Explanation:
air enters the respiratory system through the nose and mouth and passes down the throat and through a voice box.
 
        
             
        
        
        
Answer:
its function is to absorb light