Answer:
It also provides an extremely stable backbone with the negatively charged phosphates pointing to the outside of the molecule. This charge aids in the attachment of other molecules to the strand of DNA. DNA double helix allows it to be stable and it won't easily destroyed.
 
        
             
        
        
        
Reproduction, as this is because the organism does not have to reproduce in order for the survival of the living organism!
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The smallest particle of an element is an atom