Just as stated and also explained, the correct answer is <span>a long chain of adenine nucleotides is added to the 3' end of mRNA during terminationof transcription. That is the only statement that is true about the polyadenylation mechanism. Hope this is helpful</span>
        
                    
             
        
        
        
You are correct they will have 24 chromosomes
        
             
        
        
        
West Nile lead to a decline in susceptible avian and human hosts, with a subsequent decline in the number of cases since 1997
        
             
        
        
        
Answer:
4) to aid in the transmission of an impulse, neurotransmitters are secreted into a synapse
 
        
             
        
        
        
Answer:
https://en.m.wikipedia.org/wiki/Water_resources
can't upload the image though...