Hi the answer is that chemotherapeutic drugs kills both normal and cancerous cells. Hope this helps.
        
             
        
        
        
Are you talking about like isotonic and hypertonic or are you asking what hypotonic solution means if it was hypotonic the cell would be expanding if it was hypertonic the cell would be shrinking which means more molecules would be going inward in the cell if it was hypertonic if it was hypotonic the molecules would go more on the outside in the water would come in
        
             
        
        
        
That is correct.  Any animal that produces milk is a mammal.  That is the key characteristic that defines Class Mammalia.  
 
        
                    
             
        
        
        
The answer is C because water moves from an are to low solute concentration to an area of high solute concentration.
        
             
        
        
        
The answer is C, I hope this helped you:)