You forgot to show us a picture bro
        
             
        
        
        
 the process of DNA replication occurs just before the cell division i.e. mitosis. DNA synthesis happens in S-phase i.e. synthesis phase of interphase where cell division preparation happens.
PLEASE MARK ME AS BRAINLIEST 
 
        
             
        
        
        
Oh.... very nice! Yes seeing is nice
        
             
        
        
        
When a group of tissues work together to perform a particular role in the human body, they make up an organ.
        
             
        
        
        
Is there anyway you can elaborate a little more so I can answer it more clearly? Thanks!!