Antigens are substances that the immune system does not recognize as self. Which of the following are antigens?

Name: Antigens are substances that the immune system does not recognize as self. Which of the following are antigens?
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Question

Quizplus · Accepted Answer

All of these substances are capable of acting as antigens because they are recognized as foreign by the immune system. Strep throat bacteria, cancer cells in the lung, and HIV all have unique molecules on their surfaces that can trigger an immune response.

Antigens Are Substances That the Immune System Does Not Recognize