Immunology T1C4

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Author:
mobeth89
ID:
66653
Filename:
Immunology T1C4
Updated:
2011-02-15 23:39:04
Tags:
immunology
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Description:
Chapter 4
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  1. what is the eye of the pathogen?
    epitope
  2. what are the hallmark molecules of the adaptive immune system?
    • antibody
    • T-cell receptor
  3. the antibody and T-cell receptor molecules are:
    highly specific, recognizing the epitopes
  4. what is an epitope?
    the immunologically active regions of an immunogen (antigen)
  5. epitopes binds to:
    • antigen-specific membrane receptors on lymphocytes
    • secreted antibodies in plasma
  6. what is an antibody?
    membrane bound constituents of B cells or soluble molecules secreted by plasma cells
  7. members of the anitbody protein family have common stuctural features and are collectively known as:
    immunoglobulin (Ig)
  8. what is an antigen?
    • molecules that interact with the immunoglobulin receptor of B cells
    • interact with T cell receptor when complexes with MHC
    • **nothing but a kind of pathogen
  9. the ability to induce a humoral and/or cell-mediated immune response is
    immunogenicity
  10. the ability to combine specifically with the final products of the immune response (secreted antibodies and/or surface receptors on T cells) is
    antigenicity
  11. all immunogens are antigen but all antigens are NOT immunogens
  12. haptens are antigenic but NOT
    immunogenic

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