<span>Prokaryotic organisms are always unicellular, but eukaryotic organisms are always multicellular. 
the second option because pro are usually found in plants and euk in animals and humans 
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Answer:
descending tracts is the correct answer. 
Explanation:
 
        
             
        
        
        
4-Growth, maintenance, balance fluids, maintain proper hp 
2-Actin, collagen 
        
                    
             
        
        
        
Denaturing. This step occurs at around 95C. This causes the double strand Helix to spectate