As blood glucose returns to its baseline level, the levels of insulin and glucagon in the blood will stabilize. As the blood glucose levels begin to drop below the base line, the concentration of glucagon hormone increases.  while as the blood sugar levels increases above the baseline, the level of insulin hormones increases. Insulin and glucagon work antagonistically to maintain the normal level of glucose in the blood. 
        
                    
             
        
        
        
Answer:
Quaternary Protein Structure
Explanation:
It's a tri structure made up of two or more separate polypeptide chains that work together to form a single functional unit. The – anti interactions and disulfide bonds that stabilize the resultant multimer are the same as in the tertiary structure.
 
        
             
        
        
        
it suddenly reappears on Major Kovaloff's face.
 
        
                    
             
        
        
        
Explanation:
it is the ability to avoid or not to be infected by any disease, criticism, punishment by law etc....
hope it helps
 
        
                    
             
        
        
        
Answer:
Your answer would be (A). Hope this helps! <33