Anything prokaryotic doesn't contain a nucleus
        
                    
             
        
        
        
It is important for scientists to remain open minded about information that they come across in their experiments, so that they do not become biased about the result. it can always happen that the results that come out are contrary to what the scientist expected. It is important to openly accept that the scientists prediction was wrong.
        
             
        
        
        
The one that needs help 
hope that helps
        
                    
             
        
        
        
The answer is actually "to prepare for special medical needs' I took the test