Your right it is mutation
        
                    
             
        
        
        
Well assuming the original cell is a prokaryotic, you wouldn't be able to remove the nucleus because prokaryotic cells don't have a nucleus to begin with. if this doesn't help then: The cell would lack genetic information.
        
                    
             
        
        
        
Models show systems that are large, small or complex.They make it easy for study through zooming in an area in a large system.They provide visual presentation of an object or a system that has been created through experimental data.
Explanation:
A model is a representation of an idea, a process or an object in a system used by a scientist to describe a phenomenon that is difficult to be experienced directly.The goal of a model is to ensure that the presentation is done in a logical and objective way.
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Keywords : models, scientific research 
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Answer:
A. Salivary Gland (I believe)
B. Esophagus
C. Liver
D. Stomach 
E. Pancreas 
F. Small intestine
G. Large Intestine
 
        
             
        
        
        
the correct answer is false because you are supposed to tell a theripast your feelings