The main biological process that occurs inside the chloroplasts is photosynthesis.
        
             
        
        
        
Our DNA is very different ex: number of chromosomes , genes , sequences of DNA code etc
        
             
        
        
        
Sonar and LORAN were devolved during that period
        
                    
             
        
        
        
Enzyme may work if in it's optimum pH if the pH didn't match with the enzyme's pH, the enzyme will break down.
Enzyme will break down if the temperature so high it's called denaturation.