Enzymes (Catalysts) lower the required activation energy, allowing the reaction to happen more quickly. 
        
             
        
        
        
DNA is something everyone has in them to see
        
             
        
        
        
They are semi-permeable because they can diffuse and pass through the plasma membrane easily.
        
                    
             
        
        
        
Answer:
Cellular respiration uses energy in glucose to make ATP. Aerobic (“oxygen-using”) respiration occurs in three stages: glycolysis, the Krebs cycle, and electron transport.
Explanation
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