Answer:
All of those answer are correct.
 
        
                    
             
        
        
        
The statement is true. DNA replication process happen during the cell cycle.
        
             
        
        
        
Answer:
A 0.9% solution of NaCl (saline) is isotonic to animal cells. When exposing animal tissues to solutions, it is common to use an isotonic solution such as Ringer's buffered saline so as to prevent osmotic effects and consequent damage to cells.
Explanation:
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