Bacterial cells may be phagocytized and processed for presentation on MHC-II by... (select all that apply)...
Bacterial cells may be phagocytized and processed for presentation on MHC-II by... (select all that apply)
A. Mast cells B. Neutrophils C. T cells D. Dendritic cells E. Macrophages
Homework Answers
Macrophages and dendritic cells phagocytize and present the bacterial cells on MHC II. So (d) and (e) are the correct options.
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Bacterial cells may be phagocytized and processed for
presentation on MHC-II by... (select all that apply)...
Which is a type of presentation complex found only on macrophages, dendritic cells, and B cells?...
Which is a type of presentation complex found only on macrophages, dendritic cells, and B cells? a. Epitope b. MHC I c. MGC II
Indicate what step is correct (Select all that apply) Lymphocytes travel through the body in the...
Indicate what step is correct (Select all that apply) Lymphocytes travel through the body in the lymph as well as the blood Lymphocytes leave the blood through the walls of fine capillaries in 2ry lymphoid organs After spending some time in the LN, lymphocytes leave in the efferent lymph Lymphocytes return to blood at the subclavian vein A lymphocyte after encounter an antigen to which its receptor binds, stops recirculating. The spleen has no connection to the lymphatic system Lymphocytes...
Suppose you have two A-B-type exotoxins, A-B and A’-B’. A-B binds specifically to all MHC-II+ cells...
Suppose you have two A-B-type exotoxins, A-B and A’-B’. A-B binds specifically to all MHC-II+ cells and blocks vesicle trafficking. A’-B’ binds specifically to all MHC-I+ cells and stops protein synthesis. A. What would a hybrid toxin, A’-B, do to fibroblast (skin) cells? Provide your rationale. B. What would a hybrid toxin, A-B’, do to fibroblasts? Provide your rationale. C. What would a hybrid toxin, A’-B, do to macrophages? Provide your rationale. D. What would a hybrid toxin, A-B’, do...
D 1. FO Based on your knowledge of MHC I and II, predict which cell type would be MOST likely not to express detect...
D 1. FO Based on your knowledge of MHC I and II, predict which cell type would be MOST likely not to express detectable MHC I. s Intestinal epithelial cells Macrophages Basophils Erythrocytes Dendritic cells D 2. In MHC Class I, internal proteins/antigens are digested by the Peptides are loaded onto MHC Class I in the ER. Then exported to the cell surface. lysosome proteasome phagosome E phagolysosome none of the above
In the absence of infection ____________________ (Select all that apply). Group of answer choices A. MHC...
In the absence of infection ____________________ (Select all that apply). Group of answer choices A. MHC class II molecules bind to self peptides prematurely in the lumen of the endoplasmic reticulum B. non-self peptides do not bind to MHC molecules C. MHC class I and class II molecules bind to and transport self peptides to the cell surface D. MHC class I and class II molecules are unable to progress through the vesicular system
s2) Treatment with certain drugs to reduce tranaplant rejection can cause C) E) immunotherapy Figure 19.1...
s2) Treatment with certain drugs to reduce tranaplant rejection can cause C) E) immunotherapy Figure 19.1 83) 83) In immune complex reaction shown in Figure 19.1, what is the small, circular/spherical structure A) antigen By mast cell C) complement D) antibody E) neutrophil 84)_ 84) in immune complex reaction shown in Figure 19.1, what is the end result of the reaction? B) Antibodies destroy neutrophils. C) Complement is activated. D) Neutrophils are attracted and release enzymes E Endothelial cells are...
In the absence of infection ____________________ (Select all that apply). 1. MHC class I and class...
In the absence of infection ____________________ (Select all that apply). 1. MHC class I and class II molecules bind to and transport self peptides to the cell surface 2. MHC class I and class II molecules are unable to progress through the vesicular system 3. MHC class II molecules bind to self peptides prematurely in the lumen of the endoplasmic reticulum 4. non-self peptides do not bind to MHC molecules Please select all correct answers. Thank you.
Which of the following cell types does NOT engulf and degrade pathogens? a. macrophages b. B...
Which of the following cell types does NOT engulf and degrade pathogens? a. macrophages b. B cells c. dendritic cells d. neutrophils e. T cells
In the absence of infection ____________________ (Select all that apply). 1. MHC class I and class...
In the absence of infection ____________________ (Select all that apply). 1. MHC class I and class II molecules bind to and transport self peptides to the cell surface 2. MHC class I and class II molecules are unable to progress through the vesicular system 3. MHC class II molecules bind to self peptides prematurely in the lumen of the endoplasmic reticulum 4. non-self peptides do not bind to MHC molecules
Which of the following is incorrectly matched? MHC-II ; alpha 1,2 and beta 1,2 domains MHC-II...
Which of the following is incorrectly matched? MHC-II ; alpha 1,2 and beta 1,2 domains MHC-II ; present on all body cells MHC-I ; antigen binding site is composed of alpha 1 and alpha 2 domains MHC-II ; presents extracellular antigens from pathogens or other non-self proteins MHC-I ; presents intracellular antigens from viruses or degraded self-proteins MHC-I ; presents antigen to cytotoxic T cells MHC-I ; alpha 1,2,3 domains and beta macroglobulin MHC-II ; presents antigen to T helper cells...
D 1. FO Based on your knowledge of MHC I and II, predict which cell type would be MOST likely not to express detectable MHC I. s Intestinal epithelial cells Macrophages Basophils Erythrocytes Dendritic cells D 2. In MHC Class I, internal proteins/antigens are digested by the Peptides are loaded onto MHC Class I in the ER. Then exported to the cell surface. lysosome proteasome phagosome E phagolysosome none of the above
s2) Treatment with certain drugs to reduce tranaplant rejection can cause C) E) immunotherapy Figure 19.1 83) 83) In immune complex reaction shown in Figure 19.1, what is the small, circular/spherical structure A) antigen By mast cell C) complement D) antibody E) neutrophil 84)_ 84) in immune complex reaction shown in Figure 19.1, what is the end result of the reaction? B) Antibodies destroy neutrophils. C) Complement is activated. D) Neutrophils are attracted and release enzymes E Endothelial cells are...
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