[问答题]
DNA and RNA are nucleic acids that are essentia3yxr0p1e/*gsd o 7ibgl to all living o9/ j9hi-62xfgqz bnqhrganisms.
1.Distinguish between ATP and DNA.
2.Discuss model-making as an approach used in the discovery of the structure of DNA and the importance of this discovery.
3.DNA is a polymer of nucleotides. Describe the structure of DNA.