Prescott's Microbiology
11th Edition
ISBN: 9781260211887
Author: WILLEY, Sandman, Wood
Publisher: McGraw Hill
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Chapter 33.5, Problem 1MI
Summary Introduction
The living organism possesses a host defense system called the immune system to protect themselves from pathogens. The immune system is divided into two types namely the innate immune system, and adaptive immune system. Innate immunity is a non-specific immediate response against the antigens. It does not create an immunological memory. Adaptive immunity is an antigen-specific late response against pathogen and creates immunological memory.
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Chapter 33 Solutions
Prescott's Microbiology
Ch. 33.2 - What does the term valence mean and how does an...Ch. 33.2 - Prob. 1CCCh. 33.2 - Prob. 2CCCh. 33.2 - Prob. 3CCCh. 33.3 - What distinguishes natural from artificial...Ch. 33.3 - What are ways that active immunity is different...Ch. 33.3 - Of the four types of acquired immunity, which do...Ch. 33.4 - On what types of cells are MHC class I molecules...Ch. 33.4 - Prob. 2MICh. 33.4 - Prob. 1CC
Ch. 33.4 - Prob. 2CCCh. 33.4 - Prob. 3CCCh. 33.5 - Prob. 1MICh. 33.5 - Prob. 1CCCh. 33.5 - Prob. 2CCCh. 33.5 - Prob. 3CCCh. 33.5 - Prob. 4CCCh. 33.5 - Prob. 5CCCh. 33.5 - Prob. 6CCCh. 33.6 - Prob. 1MICh. 33.6 - Prob. 1CCCh. 33.6 - Prob. 2CCCh. 33.6 - Prob. 3CCCh. 33.7 - Prob. 1MICh. 33.7 - Prob. 2MICh. 33.7 - Prob. 3MICh. 33.7 - Prob. 1CCCh. 33.7 - Prob. 2CCCh. 33.7 - Prob. 3CCCh. 33.7 - Prob. 4CCCh. 33.7 - Prob. 5CCCh. 33.7 - Prob. 6CCCh. 33.8 - What is the difference between a precipitation and...Ch. 33.8 - Prob. 1CCCh. 33.8 - Prob. 2CCCh. 33.8 - Prob. 3CCCh. 33.9 - Prob. 1CCCh. 33.9 - Prob. 2CCCh. 33.10 - Prob. 1MICh. 33.10 - Prob. 2MICh. 33.10 - Prob. 1.1CCCh. 33.10 - Prob. 1.2CCCh. 33.10 - Prob. 1.3CCCh. 33.10 - Prob. 1.4CCCh. 33.10 - What is an autoimmune disease and how might it...Ch. 33.10 - Prob. 2.2CCCh. 33.10 - Prob. 2.3CCCh. 33.10 - Prob. 2.4CCCh. 33 - Prob. 1RCCh. 33 - Prob. 2RCCh. 33 - Prob. 3RCCh. 33 - Prob. 4RCCh. 33 - Prob. 5RCCh. 33 - Prob. 1ALCh. 33 - Prob. 2ALCh. 33 - Prob. 3ALCh. 33 - Prob. 4ALCh. 33 - Prob. 5AL
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- In the process shown in Diagram 2, what performs the function most similar to that of the activated T cell in Diagram 1?arrow_forwardWhat is the purpose of T-cell secretion of cytokines?arrow_forwardWhy are CD8+/αβT-cells important? Explain the function of the mature activated CD8+/αβT-cell and list 3 cytotoxic effector molecules they secrete and 3 cytokines they secrete.arrow_forward
- why is clonal deletion so important? how does it differ from clonal selection?arrow_forwardCould a TC cell induce apoptosis in a “self” cell that lost the ability to produce MHC class I molecules?arrow_forwardWhat 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 cellsarrow_forward
- Some viruses have mechanisms to down-regulate MHC class I protein expression on the surface of cells in which the virus is replicating. This immune evasion strategy might prevent effector CD8 cytotoxic T cells from recognizing and killing the virus-infected cells. Would this immune evasion strategy also prevent the initial activation of virus-specific CD8 T cells? Yes, because no viral peptide:MHC class I complexes would form to activate CD8 T cells. No, because dendritic cells would take up infected cells and cross-present viral peptides to activate CD8 T cells. No, because some presentation of MHC class I complexes with viral peptides would occur before the virus could down-regulate all the surface MHC class I protein. Yes, because this immune evasion strategy would also function in dendritic cells, even if the virus doesn’t replicate in dendritic cells. No, because the type I interferon response induced by the virus infection will up-regulate MHC class I expression and override the…arrow_forwardHow do cytotoxic T cells destroy cells bearing foreign antigens?arrow_forwardWhat is the difference between innate immunity and adaptive immunity?arrow_forward
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Immune System and Immune Response Animation; Author: Medical Sciences Animations;https://www.youtube.com/watch?v=JDdbUBXPKc4;License: Standard YouTube License, CC-BY
Immune response: summary; Author: Dr Bhavsar Biology;https://www.youtube.com/watch?v=ADANgHkX4OY;License: Standard Youtube License