Answer:
The animal cells produce the collagen but the plant cell does not produce collagen that responsible for producing the complex structure of protein and carbohydrates that is called extracellular matrix cell. Collagen is an important protein that provides strength to the structural integrity. On the other hand, the plant has not collagen so they have their extracellular supportive structure. The cell wall is so rigid and covered by the cell that protects it that provides shape and support to it. The plant cell also made up of molecules and these are called cellulose. These cellulose structured into the fibers that are called micro-fibrils
 
 
        
             
        
        
        
the importance of this procedure is to get a set of data to compare your other test results to, like when they are active
 
        
             
        
        
        
A I believe because cars produce a lot of gas contributing to global warming
        
             
        
        
        
Universal solvent is the answer
        
             
        
        
        
By breaking down food particles gradually