Answer:
4) Vacuole as it loses all the water
Explanation:
 
        
                    
             
        
        
        
<span>The action of Helicase is to create replication forks and replication bubbles. Helicase is the first step in the DNA replication process. Helicase is an enzyme that breaks the hydrogen bond between the parental DNA to free the DNA double helix. The area where it unwinds is called as replication fork.</span>
        
             
        
        
        
A repeated series of independent experiments where there is only two possible outcomes (Normally called "Success" or "Failure") 
Examples: When you flip a coin. Out comes: head or tails
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Answer:
Axon is responsible for the quick transmission of the nerve impulse.
Explanation: