After the action potential passes through an axon, gated potassium channels open and allows potassium ions to flow out. 
        
             
        
        
        
Answer:
The word "prokaryote" is derived from Greek words that mean "before nucleus." Prokaryotic cells contain fewer organelles or functional components than do eukaryotic cells. Their four main structures are the plasma membrane, cytoplasm, ribosomes and genetic material (DNA and RNA).
Explanation:
please be verified
 
        
                    
             
        
        
        
I believe your answer would be "Cell division"
DNA replication occurs just before the process of cell division which is also known as mitosis. 
Mitosis is when the cell is being divided into two and this is when DNA starts to replicate and it produces more cells and the process goes on and on and no. 
Hope this helps. c:
        
                    
             
        
        
        
Scientists classify rocks based on texture, composition, and how the rocks formed.] Rocks are classified by how they formed.