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BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter34: Immunity

Section: Chapter Questions

Problem 14SA: Match the immune cell with its main function. ___dendritic cell a. professional phagocyte ___B cell...

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True or False: When a B cell’s antibody interacts with an epitope on the surface of the bacterium, the B cell secretes a toxin that kills the bacterium?

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You have acquired a vial of immature B cells and would like to use them to generate and harvest antibodies against a specific pathogen of interest. You do not have access to T cells. How might you produce antibody from the B cells you have? Add high concentrations of TI-1 antigen to the culture medium. Add low concentrations of TI-2 antigen to the culture medium. Add high concentrations of TI-2 antigen to the culture medium. Add low concentrations of TI-1 antigen to the culture medium.
The incorrect statement about B cells in the following is: They can present both protein and non-protein antigens They can present both exogenous and endogenous antigens They can present only antigens for which they have surface immunoglobulins They can present only protein and antigen
True or False: Plasma B cells secrete antibodies into the bloodstream?
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Match the antibody classes with their characteristics: IgM IgG IgA IgE IgD Most efficient for agglutination Most abundant in blood; easily penetrates tissue spaces Most abundant in mucus; traps pathogens in mucus Located on the surface of B cells; trace amounts can be found in serum Least abundant; helps stimulate inflammatory response
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The correct order of words to describe how innate immune response responds to a pathogen that has gotten by the physical and chemical barriers is: À) Skin, Saliva, Cytokines, Macrophage B)Macrophage, Cytokines, Neutrophil, Natural Killer Cell C) Neutrophil, Cytokines, Killer T Cell, Antibodies D) Antigen, Macrophage, B Cell, Killer T Cell
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