Answer:
the answer is C 
Animals get the nitrogen they need by eating plants or other animals that contain nitrogen. When organisms die, their bodies decompose bringing the nitrogen into soil on land or into ocean water. Bacteria alter the nitrogen into a form that plants are able to use
 
        
             
        
        
        
The brain of the cell most important
        
                    
             
        
        
        
If the same protein keeps being produced it could be said that nothing is happening even though something happened, and if nothing is changing you could say that it is a silent mutation, which means that the answer is C.) Silent. The change in the amino acids and the nucleotides happened but it is silent and does not affect the outcome of the protein synthesis.
        
                    
             
        
        
        
It takes place in cytoplasm