The Biology Project: Immunology

Introduction to Immunology

Problem 1. Pathogens and antigens

A pathogen is a type of antigen.



A pathogen is a type of antigen that causes disease. In contrast, an antigen is anything that can cause an immune response – typically a non-self particle or micro-organsism. An antigen may be harmless, such as grass pollen, or a harmful pathogen, such as the flu virus.
B. False


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The Biology Project > Immunology > Immunology Problem Set