Uracil (U) is not part of DNA but is part of RNA 
        
                    
             
        
        
        
The a research project management the light and might and reason of the survive and the check out the could effect
        
             
        
        
        
The answer is cell division
        
                    
             
        
        
        
Answer:
by using springs instead of rods to allow the model atoms to vibrate in their positions
Explanation:i got it correct
 
        
                    
             
        
        
        
12.  D
13. B
14 . C
I hope I helped you. I don't know if I was helpful.