A molecule that induces an immune response within an organism is called:

Question

Quizplus · Accepted Answer

An antigen is a substance that induces an immune response within an organism. When an antigen enters the immune system, it may activate certain cells such as B cells, T cells, or macrophages, which recognize and respond to the foreign molecule. The immune system then produces antibodies to target and eliminate the antigen. Therefore, the correct answer is choice D.

A Molecule That Induces an Immune Response Within an Organism