Microbiology with Diseases by Body System (4th Edition)
4th Edition
ISBN: 9780321918550
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Textbook Question
Chapter 16, Problem 2VI
The nearby image is a transmission electron micrograph of a dendritic cell. Indicate where a scientist could find molecules of MHC I and MHC II. Label a pseudopod and a vesicle.
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The virus shown in the diagram below is only able to infect and replicate in epithelial cells. In order for the cross-presenting dendritic cell to display viral peptides, rather than self peptides on its surface MHC class I proteins, which of the following procedures could be utilized, starting with the components shown in the figure below?
Mix epithelial cells with heat-killed virus, wait 24 hrs, wash away any virus particles outside the epithelial cells, then add epithelial cells to dendritic cells.
Mix epithelial cells with viral peptides, wait 24 hrs, wash away any viral peptides not bound to the epithelial cells, then add epithelial cells to dendritic cells.
Mix epithelial cells with live virus particles, wait 24 hrs, wash away any virus particles outside the epithelial cells, then add epithelial cells to dendritic cells.
Mix dendritic cells with viral nucleic acids and epithelial cells for 24 hrs.
MIx epithelial cells will viral nucleic acids, wait 24 hrs, wash away any viral…
Write T if the statement is correct; write F if the statement is not correct.
Antigen fragments that bind to MHC class I molecules are typically in endosomes. " "
TAP1 and TAP2 are present on the plasma membrane of APCs. " "
Proteasomes process antigens within the endoplasmic reticulum. " "
Newly synthesized MHC class I molecules can be found within endosomes. " "
Newly synthesized MHC class I α chains assemble in the ER with calnexin. " "
A 18 month-old child is found to have measles antibodies in his blood. Suggest 3 different ways how the child could have acquired such antibodies
2. Describe what usually happens in a phagocytic vesicle after a phagocyte has engulfed a bacterium (diagrams maybe used but not required):
Chapter 16 Solutions
Microbiology with Diseases by Body System (4th Edition)
Ch. 16 - Why are the activities of B and T cells called...Ch. 16 - Why are exogenous epitopes processed in vesicles...Ch. 16 - Why did scientists give the name perforin to a...Ch. 16 - Plasma cells are vital for protection against...Ch. 16 - Microsporidiosis Darius is sick, which is not...Ch. 16 - Why is passive immunity effective more quickly...Ch. 16 - Prob. 1MCCh. 16 - Prob. 2MCCh. 16 - Rejection of a foreign skin graft is an example of...Ch. 16 - An autoantigen is ________________. a. an antigen...
Ch. 16 - Among the key molecules that control cell-mediated...Ch. 16 - Which of the following lymphocytes predominates in...Ch. 16 - Prob. 7MCCh. 16 - Which cells express MHC class I molecules in a...Ch. 16 - In which of the following sites in the body can B...Ch. 16 - Tc cells recognize epitopes only when the latter...Ch. 16 - Prob. 1MTFCh. 16 - Prob. 2MTFCh. 16 - Prob. 3MTFCh. 16 - Prob. 4MTFCh. 16 - Prob. 5MTFCh. 16 - Match each cell in the left column with its...Ch. 16 - Match each type of immunity in the left column...Ch. 16 - Label the parts of the immunoglobulin below.Ch. 16 - The nearby image is a transmission electron...Ch. 16 - When is antigen processing an essential...Ch. 16 - Why does the body have both antibody and...Ch. 16 - Why is it advantageous for the lymphatic system to...Ch. 16 - Contrast innate defenses with adaptive immunity.Ch. 16 - How does requiring the immune system to process...Ch. 16 - Scientists can develop genetically deficient...Ch. 16 - Human immunodeficiency virus (HIV) preferentially...Ch. 16 - What would happen to a person who failed to make...Ch. 16 - Prob. 7CTCh. 16 - Some materials, such as metal bone pins and...Ch. 16 - Prob. 9CTCh. 16 - The cross-sectional area of the afferent lymphatic...Ch. 16 - Two students are studying for an exam on the bodys...Ch. 16 - In general, what sorts of pathogens might be able...Ch. 16 - What sorts of pathogens could successfully attack...Ch. 16 - As part of the treatment for some cancers,...Ch. 16 - Prob. 1CM
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