Concepts of Biology
1st Edition
ISBN: 9781938168116
Author: Samantha Fowler, Rebecca Roush, James Wise
Publisher: OpenStax College
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Chapter 17, Problem 18CTQ
Different MHC class I molecules between donor and recipient cells can lead to rejection of a transplanted organ or tissue. Suggest a reason for this.
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Different MHC I molecules between donor and recipient cells can lead to rejection of a transplanted organ or tissue. Explain relevant concepts in relation to tissue rejection in organ transplant.
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Chapter 17 Solutions
Concepts of Biology
Ch. 17 - Figure 17.5 Which of the following statements...Ch. 17 - Figure 17.6 Influenza virus is packaged in a viral...Ch. 17 - Figure 17.17 The Rh antigen is found on...Ch. 17 - Which statement is true? a. A virion contains DNA...Ch. 17 - The viral ________ plays a role in attaching a...Ch. 17 - Which statement is true of viral replication? a....Ch. 17 - Which of the following is a barrier against...Ch. 17 - Although interferons have several effects, they...Ch. 17 - Which innate immune system component uses MHC...Ch. 17 - The humoral immune response depends on which...
Ch. 17 - The fact that the body does not normally mount an...Ch. 17 - Foreign particles circulating in the blood are...Ch. 17 - Allergy to pollen is classified as _______. a. an...Ch. 17 - A potential cause of acquired autoimmunity is...Ch. 17 - Autoantibodies are probably involved in ________....Ch. 17 - Why can’t dogs catch the measles?Ch. 17 - Why is immunization after being bitten by a rabid...Ch. 17 - Different MHC class I molecules between donor and...Ch. 17 - If a series of genetic mutations prevented some,...Ch. 17 - How do B and T cells differ with respect to...Ch. 17 - Why is the immune response after reinfection much...Ch. 17 - Some photographers develop a sensitivity to...
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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
- why is MALT considered strategically placed?arrow_forwardPeptide editing is an important component of antigen presentation for both MHC class I and MHC class II pathways, as it drives the preferential presentation of high-affinity binding peptides. For MHC class II peptide editing, HLA-DM plays a key role. In the absence of HLA-DM: MHC class II molecules traffic to the cell surface with CLIP in their binding sites. No MHC class II molecules are released to traffic to the cell surface. MHC class II molecules bind to HLA-DO and are inhibited from binding peptides. Pathogens can evade the immune system by blocking peptide exchange on MHC class II. HLA-DO competes for high-affinity binding peptides with MHC class II molecules and blocks antigen presentation.arrow_forwardCancer cells often underexpress MHC class 1 molecules. Due to these characteristics, they may be the target of: B cells Eosinophils Neutrophils NK cells OMacrophagesarrow_forward
- Peptides 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_forwardCan S-layer proteins be detected by immunolabelling when a capsule is present? How do you know? I need help finding the answer in the article and explain in short answer link to article: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC106848/arrow_forwardMatch the term with its description. interferon response apoptosis extravasation respiratory burst acute-phase response Drag answer here. Drag answer here Drag answer here Drag answer here Drag answer here temporary rise in oxygen consumption and toxic oxygen species production a notable rise or reduction of plasma proteins in response to IL-6 cellular suicide characterized by DNA fragmentation stimulates inhibition of viral replication migration of neutrophils into inflamed tissuesarrow_forward
- Why are MHC proteins so highly variable?arrow_forwardA 39-year-old woman with rheumatoid arthritis comes to the physician for a follow-up examination. Treatment with multiple medications, including prednisone and methotrexate, has not been effective at slowing the progress of her condition. The most appropriate next step in pharmacotherapy is a drug that blocks the effects of which of the following cytokines? Entaracept : Fusion protein- decoy receptor A) Interferon gamma B) Interleukin-2 (IL-2) C) IL-4 D) IL-10 E) Tumor necrosis factor-a foundarrow_forwardWhat is MHC? List the specific cells that have MHC presentation and describe their role in the immune response.arrow_forward
- List the steps of MHC class II peptide formation and assembly.arrow_forwardT cells have to work in a partnership with an Antigen Presenting Cell (APC). Before this can occur, the APC must modify the antigen. Please discuss how this process happens and the major protein that is involved. Be detailed.arrow_forwardNeutralizing antibodies are effective at preventing infection or toxicity mediated by pathogens or their toxic products. In fact, nearly all vaccines currently in use function by eliciting neutralizing antibodies. One example is the tetanus vaccine, in which neutralizing antibodies are generated against an inactivated form of the tetanus toxin (the tetanus toxoid). The most important feature of a neutralizing antibody is having high affinity for the antigen. being efficient at activating the complement cascade. having a high degree of multivalency, such as being a pentamer or hexamer of immunoglobulin monomers. being present at a high concentration in the circulation. 0 0 0 0arrow_forward
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