The answer is B. because the electron transport chains produces the most atp.
 
        
                    
             
        
        
        
Answer:
The Bay of Pigs invasion
Explanation:
The Bay of Pigs invasion was an attempt of Cuban exiles to destroy the government of Fidel Castro. These were actions of the USA aimed against Cuba. This invasion was one unsuccessful try and shame for the regime of Kenedy. This was an example of a group decision that was unsuccessful. Ths attempt provoked many side effects, as entering of Cuban-Americans in the Congress of America. 
 
        
             
        
        
        
Answer:
I think it is the second option, maintaining a stable size and shape 
Explanation:
I hope this helps, please give me brainliest
 
        
             
        
        
        
All mentioned complexes (receptor-hormone, antibody-antigen, enzyme-substate) are involved in a molecular recognition.The molecular recognition involves <span>non-covalent </span> interaction between molecules. To form complex, molecules must be complementary in shape and charges, and usually, they are compared to key and lock. This way, the selectivity and specificity of recognition between molecules are assured.
        
             
        
        
        
The answer is Cell Membranes.