I think it is B. histones
Chromatin contains proteins called hemoproteins.
I hope this helps HilalSchair6e
        
                    
             
        
        
        
The primary advantage is that it increases survival rates of those who are endangered in any kind.
        
             
        
        
        
In order to understand the totality of the interactions among the organisms in the biosphere, we need to at least understand <span>how the all genes function within organisms and </span>interact<span> with others organism and environment around it.
If we try to make this effort in a world where organisms will keep evolving and environment will keep changing like us, that tasks is impossible to finish.</span>