Nucleic acid
proteins
carbohydrates 
lipids
        
             
        
        
        
Density = mass / volume 
Plug in the values for mass and volume
Density = 1,800g / 300cm^3
Density = 6 g/cm^3
        
                    
             
        
        
        
 the answer is chemical reaction
 
        
             
        
        
        
Answer:
Another important class of compounds produced by biotechnology is enzymes. One of the most significant commercial enzymes of this type is subtilisin, which is produced by a bacterium because many stains contain proteins, the manufacturers of laundry detergents include subtilisin in their product.
Explanation:
(please mark me brainliest if you can)