Enzymes are large molecules that speed up the chemical reactions inside cells. Each type of enzyme does on specific job. Enzymes are a type of protein, and like all proteins<span>, they are made from long chains of different </span>amino acids<span>.</span>
        
                    
             
        
        
        
you can put a needle through it and it won't break.
 
        
             
        
        
        
The Phytoplankton <span>support nutrients in water and from the base of many aquatic ecosystems.</span>
        
                    
             
        
        
        
The dorsal side of the frog is the back of the frog, where the spine is. 
        
                    
             
        
        
        
That is binary fission, 'cause in this process, chromosome number doubles to it's original value whereas in meiosis it gets halved.
In short, Your Answer would be Option D
Hope this helps!