Answer:
Some enzymes require the addition of another non-protein molecule to function as an enzyme. These are known as cofactors, and without these enzymes remain within the inactive.
Explanation:
^^
 
        
             
        
        
        
Answer:
The Heart is situated in the Left side of the body
 
        
                    
             
        
        
        
<span>Segregation would be the answer :)</span>