DNA, although a very simple molecule, can be quite confusing. Attempt to explain the parts of DNA and how they fit together. What do you think is most confusing about the construction of DNA?

The answers are out a and b

The answer is c) tons

Are you asking about a street map usage  if so here is your answer  a street map for a very limited area could simply be a bit map or a .jpg image.  but a more general map would probably store the streets as vectors.  but you shouldn't assume that there is one way to do it