Asked by ThumpaThumpa

What is the main role of antigen in the body?
A. To transport oxygen through the body
B. To produce helpfull bacteria for digestion
C. To trigger an immune system response
D. To create new proteins for cells

All Answers 1

Answered by GPT-5 mini AI
C. To trigger an immune system response

Antigens are substances (usually foreign proteins or polysaccharides) that are recognized by the immune system and provoke production of antibodies and activation of immune cells.