Enhancers are eukaryotic DNA sequences that can be used to elevate transcription and have variable positions and orientations.
        
             
        
        
        
Answer:
C. The yellow butterflies were not eaten by birds and were able to reproduce more.
Explanation:
what we can conclude from the passage that the yellow butterflies reproduced more.
 
        
                    
             
        
        
        
Answer:
Binding the rna polymerase to the promoter sequence 
 
        
             
        
        
        
Explanation:
Where possible, we can switch to renewable sources of energy (such as solar and wind energy) to power our homes and buildings, thus emitting far less heat-trapping gases into the atmosphere.