You are presented with the question "DNA is formed when many what bind together? " and the following answer choices: 
- they bend
 - strong
 - bioaerosols
 - electrically
 - interact
 - nucleotides
 - parasites
 - Chemical energy

Now knowing that many nucleotides bind together to form a chain called a polynucleotide and rNA like DNA is a polynucleotide, choose the best answer.


 

      nucleotides   