PRESCOTT'S MICROBIOLOGY
11th Edition
ISBN: 2818440045677
Author: WILLEY
Publisher: MCG
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Chapter 33.4, Problem 2MI
Summary Introduction
The immune system of the human body is divided into two types such as the innate immune system and adaptive or acquired immune system. The immune system includes different cell types like lymphocytes, neutrophils, monocytes, or macrophages. All these cells are collectively called white blood cells or leukocytes. There are two special types of leukocytes namely B lymphocytes and T lymphocytes. B lymphocytes or B cells are formed from the bone marrow and are involved in the humoral immune response. T lymphocytes or T cells are formed in the thymus and are involved in the cell-mediated immune response.
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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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- What types of cells display MHC class I and class IIantigen complexes, and what happens as a result?arrow_forwardWhich type of MHC-class molecule is found on all nucleated cells and is used to communicate with cytotoxic T-lymphocytes? Which classes are displayed on APCs, and which class is used specifically to communicate with (a) helper T-lymphocytes and (b) cytotoxic T-lymphocytes?arrow_forwardWhat types of antigens are displayed by MHCclass I molecules? By MHC class II molecules?arrow_forward
- Compare the MHC I and MHC II protein structures and peptidebinding sites. How do they differ? How are they similar?arrow_forwardGenerally speaking, what kinds of cells express MHC I, MHC II, or both? What is presented on MHC I and II, and what kind of T cell recognizes each one? What response occurs when a T cell recognizes what is being presented on MHC I? What happens if it recognizes MHC II? Give an example of each type of recognition.arrow_forwardHow does our immune system coordinate to combat pathogens that suppress MHC class I molecule (the good guys) expression?arrow_forward
- What is the appropriate response when antigen is presented on MHC class II molecules?a) An effector CD8 cell should kill the presenting cell.b) An effector CD4 cell should kill the presenting cell.c) An effector CD8 cell should activate the presenting cell.d) An effector CD4 cell should activate the presenting cell.arrow_forwardA flu-infected cell has down-regulated its MHC class I expression. The lymphocytes below comes to the site and interacts with the cell. How does the downregulation of MHC class I affect these ability of lymphocytes to kill the infected cell? a) influenza-specific T cell b) NK cell c) herpes-specific T cell Indicate whether the possibility increases, decreases or is unchanged for each cell.arrow_forwardName 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?arrow_forward
- Could a TC cell induce apoptosis in a “self” cell that lost the ability to produce MHC class I molecules?arrow_forwardAbout Antigen presenting cells, it is CORRECT to affirm that: a). Macrophages, B lymphocytes and dendritic cells are APCs. meaning they express MHC-ll. b). Only APCs present MHC-11. c). Macrophages,B lymphocytes and dendritic cells are phagocytes, but not APCs.d). All the non-APC cells of our body present MHC-1.arrow_forwardWhich of the following cells would be safe from a natural killer (NK) cell's cytotoxicity? I selected "a self-cell without MHC I molecules" which is incorrect. Please help.arrow_forward
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