(Solved): 2. DNA is made of repeating units of four nucleic acids. Explain how a double helix is arranged reg ...

2. DNA is made of repeating units of four nucleic acids. Explain how a double helix is arranged regarding those nucleic acids (how does it hold together?). What specific functional groups pair up according to geometry and polarity? Be specific to the pairing of guanine and cytosine in your description of this pairing. $$\text{ (4 - }6\text{ sentences) }$$