Answer:
leave the nucleus, goe to the cytoplasm,bind to a ribosome to be read
 
        
             
        
        
        
Answer:
decreased mass - less energy needed for movement - less carbohydrates required - more available ATP
Explanation: 
Solution; Increased muscle mass in athletes will increase the number of mitochondria in body. Mitochondria provides energy to cells of our body so more mitochondria will results in more energy and due to large amount of energy there will be increased cellular respiration and less fatigue, thus athletic performance will be improved.
 
        
                    
             
        
        
        
Gasoline affects the economy by money