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.