What is ethical about using a 23 and me test kit

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

Both prokaryotic and eukaryotic cells have ribosomes and cell membranes

Basalt rock can be rough or maybe smooth