Question 192Moving to another question will save this response.MHC IO is a carbohydrate that presents foreign antigens on the surface of a nucleated cell.is a protein that presents foreign antigens on the surface of a nucleated cell.is a protein that presents foreign antigens on the surface of antigen presenting cells only.is a carbohydrate that presents foreign antigens on the surface of antigen presenting cells only.F2Moving to another question will save this response.#3380F3$4000000F4%5F5MacBook Air^6F6&Ja7F7DII8FB

MHC1 stands for Major Histocompatibility Complex class I, which is a set of cell surface proteins…

Answered: MHC I is a carbohydrate that presents…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Which of the following are true of interferons? Select all that apply. O They are a critical part of the innate immune system in fighting bacterial infections O They are a part of the second line of defense against viruses O They degrade viral DNA O They are signaling molecules produced by infected cells to help uninfected cells defend themselves agains viruses O They are part of innate immunity O They are part of adaptive immunity and are "trained" by the immune system to eliminate specific pathogens
Compare the binding of MHC molecules to antigen with the binding of BCR to antigen.
List 3 things that helper T cells do:
True or False Can cytotoxic T cells have the ability to identify class 1 MHCs or do they recognize the antigen? B cells are what cause cellular immunity?
The diagram shows a pathogen (in red) that is present in different cellular compartments of each of the cell types shown. In each case, a specific T cell subset will recognize peptides of that pathogen presented on MHC molecules on the surface of the cell, and will execute its effector function. From the list below, match the appropriate T cell effector response to the cell type and location of the pathogen. CD4 T cell killing of target cell CD8 T cell killing of target cell CD4 T cell activation of target cell’s antibody production CD8 T cell activation of target cell’s antibody production CD4 T cell activation of target cell’s ability to kill intracellular pathogen CD8 T cell activation of target cell’s ability to kill intracellular pathogen
Name two antigen-presenting cells. What is their role in the adaptive immune system? Which classes of MHC proteins do they express and why is this important?
MHC class II proteins: A. present exogenous antigen to the immune system B. both are found on antigen presenting cells and present exogenous C. antigen to the immune system are found on antigen presenting cells
Classify the following images into the type of defense it represents. Interleukin Other cytokines Macrophage, B cell, or other antigen-presenting cell Clonal selection of B cells Helper T (T4) cell Macrophage- activating factor Other cytokines Macrophage activity Leukocyte chemotaxis Inflammation Interleukin Other cytokines Cellular Immunity Humoral Immunity Nonspecific Defense Clonal selection of cytotoxic T cells Next> 51 of 83 Prev
Which of the following statements are true for antigen presentation. a. Antigen presentation means that other cells attach the pathogen first and present it to T cells. b. Antigen-presenting cells display protein fragments, resulting from the digestion of the pathogen, in complex with MHC receptor to B cells c. Antigen presenting cells display protein fragments, resulting from the digestion of the pathogen, in complex with MHC receptor on their surface. d. Antigen-presenting cells are phagocytic cells e. Antigen presentation is required for T cell activation f. Cytokines released by macrophages are required for T cell activation g. T cell receptors recognize the MHC receptors in complex with antigen fragments displayed by antigen-presenting cells. h. Phagocytic cells are involved in innate immunity. Therefore they have no role in T-cell activation
Describe five important differences between class I and class II MHC proteins
What distinguishes MHC I from MHC II? a-aquisition of antigenic peptide in the cytoplasm b-cross-presentation of antigegn to CD4 T cells c- presentation of peptides to the T cell receptor d-binding of a B-amino acid peptide e- presentation of antigenic peptides to CD4 T cells
Which of the following are elements of the structure of antibodies? Select all that apply. The antigen-binding sites of each antibody can bind to multiple antigen types. Four polypeptide chains are joined in a Y-shaped configuration. Each antibody has three binding sites for antigens. The antigen-binding sites are unique to each antibody.

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