A large, complex molecule that triggers a specific immune response against itself when it gains entry into the body is known as
A)interferon
B)an antigen
C)an antibody
D)a complement
E)an opsonin

Question

Quizplus · Accepted Answer

An antigen is a large, complex molecule that can trigger a specific immune response against itself when it enters the body. This can include proteins, carbohydrates, or other molecules from pathogens or foreign substances. Antigens are recognized by the immune system as foreign and are targeted by antibodies and other immune cells to protect the body from infection.

A Large, Complex Molecule That Triggers a Specific Immune Response