What’s the question!!!!!!!!!!!!!!
        
             
        
        
        
The answer to the question above is letter "B. stroma". In the stroma are grana, stacks of thylakoid, others. Stroma contains important molecules which are useful for the photosynthesis and other metabolic functions of the cells. It may also contain enzymes and ions. 
        
                    
             
        
        
        
The ecosystem makes the forest sustainable
 
        
             
        
        
        
all about Living Things
Explanation:Characteristics of Living Things
Living things are made of cells. Cells are the basic building blocks of living things. ...
Living things have movement. This movement can be quick or very slow. ...
All living things have a metabolism. ...
Living things grow. ...
Response to environment. ...
Reproduction.
 
        
             
        
        
        
<span>phospholipid bilayer, which is two layers of phospholipids back-to-back</span>