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Tems11 [23]
3 years ago
5

Arrange the following in the proper order in which they occur during clonal selection. 1. Helper T cells are activated. 2. Macro

phages ingest antigen. 3. B cells differentiate into plasma cells and memory cells.
Biology
1 answer:
liubo4ka [24]3 years ago
8 0

Answer:

1) Macrophages ingest antigen 2) Helper T cells are activated 3) B cells differentiate into plasma cells and memory cells.

Explanation:

Innate immunity and adaptive immunity provide protection against foreign invaders. Innate immunity is non specific and adaptive immunity is specific immune response; includes the production of antibody after a sequence of events.

  • When an antigen enters the body the phagocytic cells such as macrophages and dendritic cells ingest the antigen by a process called as phagocytosis. These cells act as antigen presenting cells and present it to T cells.
  • T cells are of two types T helper cells and T cytotoxic cell. T cytotoxic cells killed the affected cell such as affected by virus while T helper cells signal for the production antibodies.
  • Antibodies are produced from the plasma cells while memory cells act as record keeping. The plasma cells are stimulated by interleukins.

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