Mitosis
Explanation ~ Mitosis creates two daughter cells each having the same number and kind of chromosomes as the parent nucleus
 
        
             
        
        
        
Answer:
Gel electrophoresis is a technique used to separate DNA fragments according to their size. DNA samples are loaded into wells indentations at one end of a gel, and an electric current is applied to pull them through the gel. DNA fragments are negatively charged, so they move towards the positive electrode. Really easy
Explanation:
 
        
             
        
        
        
The answer to the question above is letter a. melting.
>Exothermic is the giving off heat energy the  transfer of energy to the surroundings.
>In exothermic reaction, the energy is
usually transferred as heat energy
<span>> Other example of exothermic is combustion</span>
 
        
             
        
        
        
The answer would be Activational <span />