It produces proteins for the cell to function
        
                    
             
        
        
        
It is made of lipids bound together called phospholipids and it is located in the plant cell and it it semipermeable meaning it can allow and reject 
 
        
             
        
        
        
Is there more for the question? Just because it has the prices there is still nothing about the amount.
        
             
        
        
        
The answer would be D. The definition of a homologous structure is an organ or body part that appears in different animals and is similar in structure and location, but doesn't necessarily share the same purpose. The birds and rabbits have similar bones in their forelimbs, but one uses them to run and other uses them to fly.