EBK BROCK BIOLOGY OF MICROORGANISMS
15th Edition
ISBN: 8220103633352
Author: Stahl
Publisher: PEARSON
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Chapter 27.6, Problem 2MQ
- How does a single MHC protein present many different peptides to T cells?
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Chapter 27 Solutions
EBK BROCK BIOLOGY OF MICROORGANISMS
Ch. 27.1 - Prob. 1MQCh. 27.1 - Prob. 2MQCh. 27.1 - Distinguish between clonal deletion and clonal...Ch. 27.1 - QWhy is it necessary that all three defining...Ch. 27.2 - Identify the intrinsic and extrinsic properties of...Ch. 27.2 - Describe an epitope recognized by an antibody, and...Ch. 27.2 - Give an example for each: natural and artificial...Ch. 27.2 - QWhat properties are required for a vaccine to...Ch. 27.3 - Summarize antibody production starting with...Ch. 27.3 - Differentiate among antibody classes using...
Ch. 27.3 - Prob. 3MQCh. 27.3 - QDescribe the structural and functional...Ch. 27.4 - Draw a complete Ig molecule and identify...Ch. 27.4 - Describe antigen binding to the CDR1, 2, and 3...Ch. 27.4 - Describe the recombination events that produce a...Ch. 27.4 - QWhich Ig chains are used to construct a complete...Ch. 27.5 - Identify the cells that display MHC class I and...Ch. 27.5 - Compare the MHC I and MHC II protein structures...Ch. 27.5 - Define the sequence of events for processing and...Ch. 27.5 - QDescribe the basic structure of class I and class...Ch. 27.6 - Define polymorphism and polygeny as they apply to...Ch. 27.6 - How does a single MHC protein present many...Ch. 27.6 - QPolymorphism implies that each different MHC...Ch. 27.7 - Prob. 1MQCh. 27.7 - Identify diversity-generating mechanisms unique to...Ch. 27.7 - Describe and compare the structural features of Ig...Ch. 27.7 - QWhat diversity-generating mechanisms function to...Ch. 27.8 - Describe the mechanism used by Tc cells to...Ch. 27.8 - Describe the effector system (the cell-killing...Ch. 27.8 - Compare and contrast the roles and activities of...Ch. 27.8 - QWhat mechanism do Tc cells use to identify and...Ch. 27.9 - Discriminate between immediate hypersensitivity...Ch. 27.9 - Provide examples and mechanisms for an...Ch. 27.9 - QHow do immediate and delayed-type...Ch. 27.10 - Describe the binding site for superantigens on T...Ch. 27.10 - Compare and contrast the immunodeficiency observed...Ch. 27.10 - Prob. 3MQCh. 27.10 - Prob. 1CRCh. 27 - Antibodies of the IgA class are probably more...Ch. 27 - Prob. 2AQCh. 27 - Polymorphism implies that each different MHC...Ch. 27 - What problems would arise if a person had a...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- What is T-cell receptor (TCR) ? How it works ?arrow_forwardWhich of the following is part of the T-cell clonal deletion process? a) T-cells are eliminated if they bind to B-cells b) Lymphocytes that bind to MHC undergo apoptosis c) T-cells that bind to the same antigen as B-cells are eliminated d) Lymphocytes that react to autoantigens undearrow_forwardWhat are chimeric antigen receptors, and how are they constructed?arrow_forward
- Name the two types of antibody light chains.arrow_forwardPeptides are stably bound to MHC molecules, and also serve to stabilize the MHC molecule on the cell surface. Once expressed on the surface of host cells, an MHC protein remains stably associated with its bound peptide for several days. This highly stable peptide binding behavior is important because: a) It prevents peptide exchanges on the cell surface, ensuring that peptide:MHC complexes are reliable indicators of the proteins present inside that host cell. b) If the MHC protein lost its peptide it would become unstable, and would be rapidly internalized and degraded. c) Pathogens would otherwise evade the immune response by making decoy peptides that mimic host cell peptides. d) Pathogens would be able to evade the T cell response by making proteases that cleave MHC proteins inducing peptide release. e) Immune responses to infection often induce noxious chemicals that damage surface MHC proteins, and might result in peptide loss.arrow_forwardCompare the MHC I and MHC II protein structures and peptidebinding sites. How do they differ? How are they similar?arrow_forward
- What is MHC? List the specific cells that have MHC presentation and describe their role in the immune response.arrow_forwardDo T cells bear a cell-surface receptor capable of recognizing a specific antigen?arrow_forwardInfluenza virus causes serious disease and death, and is responsible for one of the largest pandemics in recorded history. However, the process by which antigens are made and processed are not unique to that virus. Answer the following questions to trace how infected cells will become recognizable by the TCR of a compatible T-cell. A) Where are the viral proteins made? B) Describe the process by which viral proteins are broken down into peptides. Be sure to discuss any unique molecules or organelles that participate in the process. C) Which MHC molecule presents these peptides? D) Now that you have made peptides from the viral antigen, how do they get to and bind to the MHC molecule? Describe the process. What unique molecules are involved in this process? E) What is the final destination for these molecules/epitopes, and how do they reach that destination?arrow_forward
- Which proteins involved in the activation of T cells have the capacity for transduction without the need to be activated by a family of kinases?arrow_forwardWhat advantages do monoclonal antibodies have compared topolyclonal antibodies? How are mAbs produced?arrow_forwardWhat is the smallest unit of an antibody that can retain the specificity and binding affinity of the whole protein?arrow_forward
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