1. When encountering antigen, describe the mechanism of antigen presentation by B cells.2. Compare / contrast the advantages and disadvantages of active immunity with passive immunity.3. Does antibody directly destroy a microbe? EXPLAIN.4. Use the following terms to construct a coherent mechanism for cell mediated immunity:Interleukin, perforin, CD4 cells, CD8 cells, dendritic cells, MHC class I and class II5. Upon invasion by a microbial antigen with multiple epitopes (antigenic determinants), What makes clonalselection for T cells and B cells relevant?6. Why have different classes of antibodies (i.e. IgD, IgE)?7. Why is the primary and secondary responses to antigen important for the host and for clinical diagnosis?8. Are all adaptive immune responses the same? EXPLAIN.

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When encountering antigen, describe the mechanism of antigen presentation by B cells.

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter34: Immunity

Section: Chapter Questions

Problem 7SA

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Defense Mechanism

Circumstances influence and compel people to behave in a certain way. One such behavior is a defense mechanism. It is employed by people to escape from unpleasant circumstances, thoughts and actions. Defense mechanisms are, thus, psychological strategies that help to avert and avoid unwanted feelings such as guilt or shame and situations such as threat and danger.

Question

1. When encountering antigen, describe the mechanism of antigen presentation by B cells.
2. Compare / contrast the advantages and disadvantages of active immunity with passive immunity.
3. Does antibody directly destroy a microbe? EXPLAIN.
4. Use the following terms to construct a coherent mechanism for cell mediated immunity:
Interleukin, perforin, CD4 cells, CD8 cells, dendritic cells, MHC class I and class II
5. Upon invasion by a microbial antigen with multiple epitopes (antigenic determinants), What makes clonal
selection for T cells and B cells relevant?
6. Why have different classes of antibodies (i.e. IgD, IgE)?
7. Why is the primary and secondary responses to antigen important for the host and for clinical diagnosis?
8. Are all adaptive immune responses the same? EXPLAIN.

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