Answer: Differential 
Explanation:
The differential blood analysis provides information about the different components of the blood.
Analysis of blood is required in order to detect any disease. This test can detect the difference between the normal cell and abnormal cell.
The blood test can diagnose any type of disease like leukemia, any inflammation, cell shape, size and then compare it with normal cells of the body.
 
        
             
        
        
        
Answer:
 B) ATP is not produced during fermentation 
Explanation:
Fermentation does not involve an electron transport system, and no ATP is made by the fermentation process directly.
 
        
             
        
        
        
I believe the best answer is the gallbladder.
I hope this helped 
        
                    
             
        
        
        
These structures are called Vestigial structures, they resemble structures from the organism's ancestors, but don't have a real purpose for them now. 
Pray this helps you :)