A control group take no part in any experiment, they simply do what they do normally in order to compare the results from someone who has done something differently (experiment) and someone who hasn't. Hope this helps
        
             
        
        
        
your blood which contains a lot of water, carries oxygen to all the cells in your body. 
 
        
                    
             
        
        
        
Since biochemical function is determined largely by specific enzymes (proteins), different sets of genes must be turned on and off in the various cell types. This is how cells differentiate.
        
                    
             
        
        
        
Difference Between Differentiation<span> & </span>Morphogenesis<span>. Multicellular </span>organisms<span> begin</span>life<span> as single </span>cells<span> called zygotes or spores, depending on the species. ...</span>Differentiation<span> is the process by which the </span>cells<span> take on their specific functions. </span>Morphogenesis<span> is the process by which an </span>organism<span> takes on its shape.
i hope this helps you goodluck :)</span>