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ki77a [65]
3 years ago
14

Helps activate T cells, which are produced in bone marrow but mature in the thymus gland HELLPP

Biology
1 answer:
love history [14]3 years ago
3 0

Answer:

peptide antigens by MHC class II molecules

Explanation:

Helper T cells are activated by peptide antigens by MHC class II molecules. These antigens express on the surface of antigen-presenting cells (APCs). After activation, the T helper cells divide and secrete cytokines  to assist the immune response.

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