D. in the nucleus 
the process of making mRNA from DNA is called transcription, it occurs in the nucleus
        
             
        
        
        
Go somewhere where there aren't any windows
        
                    
             
        
        
        
They are the same density. 
        
                    
             
        
        
        
Chicken breast-protein
Banana-carbohydrate 
(Sorry if I’m wrong about the banana, most of my sources said carbohydrates)