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tigry1 [53]
2 years ago
9

How does the human immune system initially respond to a pathogen?

Biology
1 answer:
Lapatulllka [165]2 years ago
6 0

Answer:The immune system responds to antigens by producing cells that directly attack the pathogen, or by producing special proteins called antibodies. Antibodies attach to an antigen and attract cells that will engulf and destroy the pathogen.

Explanation:

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The option that says: Sister chromatids separate from each other and migrate to opposite ends of the cell.

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This question wants to test us on a very interesting part in genetics that is Cell Cycle, Mitosis and Meiosis.

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