Hallmark Molecules of the Adaptive Immune System
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Questions and Answers

What is the main difference between components of the adaptive immune system and the innate immune system?

  • Adaptive immunity components recognize specific antigenic determinants, while innate immunity components recognize shared features of foreign molecules. (correct)
  • Innate immunity components participate in a limited number of effector functions, unlike the adaptive immunity components.
  • Innate immunity components bind to T-cell receptors, while adaptive immunity components bind to MHC molecules.
  • Adaptive immunity components are found in the blood, while innate immunity components are membrane-bound.

    • Which cells secrete antibodies as soluble molecules?

  • T cells
  • Memory cells
  • B cells
  • Plasma cells (correct)

    • What is the function of membrane-bound antibodies on B cells?

  • Bind to T-cell receptors
  • Recognize shared foreign molecule features
  • Confer antigenic specificity on B cells (correct)
  • Mark antigens for elimination

    • Which proteins are epitope-binding proteins found in the immune system?

    <p>Antibodies</p> Signup and view all the answers

    What do T-cell receptors on the surface membrane of T-cells recognize?

    <p>Processed antigen fragments complexed with MHC molecules</p> Signup and view all the answers

    What is the purpose of comparing T-cell antigen recognition with B-cell antigen recognition in the present chapter?

    <p>To illustrate the contrast between T- and B-cell interactions with antigens</p> Signup and view all the answers

    Why does the immune system usually respond by producing antibodies to several epitopes on an antigen?

    <p>Because most antigens contain multiple epitopes</p> Signup and view all the answers

    What is the output of plasma cells from a single B-cell clone in response to antigenic stimulation?

    <p>Monoclonal antibody specific to one epitope</p> Signup and view all the answers

    What is the common feature among members of the antibody protein family known as immunoglobulins?

    <p>Common structural features</p> Signup and view all the answers

    Why do members of the antibody family perform an incredibly diverse set of binding functions?

    <p>Despite their structural similarities, they have distinct features</p> Signup and view all the answers

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