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Home Biochemistry Anti Bodies Comments

  • Question
  • Which of the following are responsible for immune specificity?


  • Options
  • A. Antigens
  • B. Antibodies
  • C. T lymphocytes
  • D. Macrophage

  • Correct Answer
  • Antibodies 


  • Anti Bodies problems


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    • 1. Which of those immunoglobulin classes is mainly found in external secretions?

    • Options
    • A. Ig A
    • B. Ig D
    • C. Ig M
    • D. IgE
    • Discuss
    • 2. Fab fragment has

    • Options
    • A. one antigen binding site
    • B. two antigen binding site
    • C. one antibody binding site
    • D. two antibody binding site
    • Discuss
    • 3. Monoclonal antibodies were first produced by

    • Options
    • A. Georges Kohler and Cesar Milstein
    • B. Sarkar and Sommer
    • C. Selman Waksman
    • D. Edward Jenner and Louis Pasteur
    • Discuss
    • 4. The human IgG class of antibodies is divided into

    • Options
    • A. five IgG classes
    • B. two IgG classes
    • C. three IgG classes
    • D. four IgG classes
    • Discuss
    • 5. Type A blood

    • Options
    • A. can be used to donate to type AB individuals
    • B. can be used to donate to type B individuals
    • C. contains type B antigens on the surface of red blood cells
    • D. can always be used to donate to an Rh+ individual
    • Discuss
    • 6. Each IgA antibody molecule consists of

    • Options
    • A. four polypeptide chain and has two antigen binding site
    • B. two polypeptide chain and has one antigen binding site
    • C. three polypeptide chain and has two antigen binding site
    • D. two polypeptide chain and has two antigen binding site
    • Discuss
    • 7. Papain digest IgG into

    • Options
    • A. two Fab fragments and one Fc fragment
    • B. three Fab fragments and two Fc fragments
    • C. two Fab fragments and two Fc fragments
    • D. three Fab fragments and three Fc fragments
    • Discuss
    • 8. Antibodies in the human immune system can identify approximately 108 different molecules Which one of the following is correct?

    • Options
    • A. This diversity is generated from 108 different immunoglobin genes
    • B. Many of these molecules are self-antigens
    • C. Most of these antibodies recognize proteins
    • D. Most of these antibodies recognize small organic molecules
    • Discuss
    • 9. A polyclonal antibody response

    • Options
    • A. is produced only in response to polymeric antigens
    • B. is produced by several B cells recognizing different pitopes on the same antigen
    • C. occurs during the lag phase of the immune response
    • D. violates clonal selection
    • Discuss
    • 10. The immunoglobulin fold is

    • Options
    • A. found only in IgG molecules
    • B. a ?-barrel composed of a three- and a four-stranded antiparallel ?-sheet
    • C. both (a) and (b)
    • D. found six times in the IgG molecule
    • Discuss


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