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Arrange in the correct sequence these components of the mammalian immune system as it first responds to a pathogen. I) Pathogen is destroyed. II) Lymphocytes secrete antibodies. III) Antigens from a pathogen bind to antigen receptors on lymphocytes. IV) Lymphocytes specific to antigens from a pathogen become numerous. V) Only memory cells remain. A. I → III → II → IV → V B. II → I → IV → III → V C. IV → II → III → I →V D. III→ V → II → I →V

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tushargupta0691

The correct sequence of these components of the mammalian immune system as it responds to a pathogen,

  • Antigens from a pathogen bind to antigen receptors on Lymphocytes.
  • Lymphocytes specific to antigens from a pathogen become numerous.
  • Lymphocytes secrete antibodies
  • The pathogen is destroyed.
  • Only memory cells remain.

Importance of adaptive immunity,

The adaptive immune system is a component of the immune system that comprises particular and highly specialized cells that are designed to attack certain infections.

  • Antigen-specific antibodies attach to and mark a specific pathogen in acquired immunity.
  • This pathogen is then cytotoxically eliminated by immune system effector cells.
  • Acquired immunity is further distinguished by the generation of memory cells during the bulk production of antigen-specific antibodies.
  • These memory cells survive long after the disease has been eliminated in order to guard against future attacks from the same pathogen.

White blood cells called lymphocytes carry out adaptive immune responses. Antibody responses and cell-mediated immune responses are the two primary types of such responses.

Hence, the correct option is D

Learn more about adaptive immunity here,

https://brainly.com/question/3520843

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