Answer: c 
Explanation: all cell membranes need to maintain function 
 
        
             
        
        
        
Answer:
The correct answer to the question above is letter c. DNA is a macromolecule.
 
        
             
        
        
        
Tongue, epiglottis and sublingual/parotid or submaxillary glands (Salivary glands). Hope this is what you were looking for :)
        
                    
             
        
        
        
The answer above me is cap so it’s actually South America northern coast
        
             
        
        
        
I don’t know LOLLLLLL UHHHH jk D