It’s the source of all the energy from all the stars ... until their fuel is used up
        
             
        
        
        
Lipids form the bilayer of cell membrane which act as a partially permeable mmbrane of cell to control the substances moving in and out of the cell.
        
                    
             
        
        
        
Answer:
c
Explanation:
If you wanted to reduce health risks, why make more?
 
        
             
        
        
        
They need energy to produce oxygen