Which of the following best describes the function of IgA antibodies? O Allergy response O Defense against pathogens at mucosal surfaces by neutralizing them and preventing their attachment to host cells Activation of complement system to destroy bacteria and viruses Killing infected cells by recognizing and attacking their surface antigens Which of the following statements about cytotoxic T cells and MHC is true? O Cytotoxic T cells recognize antigens presented by MHC class I molecules on the surface of all cells in the body. O MHC class I molecules are only found on antigen-presenting cells, such as dendritic cells and macrophages and not on cytotoxic T cells O MHC class Il molecules are only found on infected cells, which present antigens to cytotoxic T cells. O Cytotoxic T cells recognize antigens presented by MHC class Il molecules on the surface of all cells in the body.
Which of the following best describes the function of IgA antibodies? O Allergy response O Defense against pathogens at mucosal surfaces by neutralizing them and preventing their attachment to host cells Activation of complement system to destroy bacteria and viruses Killing infected cells by recognizing and attacking their surface antigens Which of the following statements about cytotoxic T cells and MHC is true? O Cytotoxic T cells recognize antigens presented by MHC class I molecules on the surface of all cells in the body. O MHC class I molecules are only found on antigen-presenting cells, such as dendritic cells and macrophages and not on cytotoxic T cells O MHC class Il molecules are only found on infected cells, which present antigens to cytotoxic T cells. O Cytotoxic T cells recognize antigens presented by MHC class Il molecules on the surface of all cells in the body.
Biology 2e
2nd Edition
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark
Chapter42: The Immune System
Section: Chapter Questions
Problem 1VCQ: Figure 42.11 Which of the following statements about T cells is false? Helper T cells release...
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