There are so many examples for that in different areas, like TPBi experiment carried out in our lab recently.Here's one link: http://www.alfa-chemistry.com/tpbi-cas-192198-85-9-item-282866.htm
 
        
                    
             
        
        
        
To have the largest sample size also gives you more data, thus increasing the likelihood of accuracy
        
             
        
        
        
Chlorophyll may be found in the cytoplasm of a prokaryotic cell