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.