14) this particle, also known as an immunoglobulin, is a large y-shaped protein used by the immune system to identify and neutralize foreign objects like bacteria and viruses. it is known as a(n)

An antibody is also known as an immunoglobulin. It is a glycoprotein that plays a critical role in the immune system by identifying and destroying invading foreign particles such as viruses and microorganisms. Thereby, antibodies protect people from disease and infection.

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

Need the answers if its a multiple choice question