Bacteria can transcribe and translate human genes to produce functional human proteins because

The genetic code is nearly universal. The genetic code is almost universal. The same codons are assigned to the same amino acids and to the same START and STOP signals in the vast majority of genes in animals, plants, and microorganisms.

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

Bees shall never produce milk no matter what but this is a joke and the answer is a breast that produces milk.