I would say its A because it is doing something harmful
        
                    
             
        
        
        
Pleomorphism (microbiology): the ability of some bacteria to alter their shape or size in response to environmental conditions. Dedifferentiated liposarcoma is the least common subtype of liposarcoma and usually arises from a well-differentiated liposarcoma (WDLPS). Progression occurs. in 17 % of patients when WDLPS is located in the retroperitoneum and 6% of cases when WDLPS is located in the extremities.
        
             
        
        
        
Answer:
The answer is Number 3. The speed of light
 
        
                    
             
        
        
        
Gated channel proteins are the name you are looking for