T cells learn to recognize the MHC portion of the antigen-MHC complex during a. anergy b....
T cells learn to recognize the MHC portion of the
antigen-MHC complex during
a. anergy
b. deletion
c. positive selection
d. negative selection
Homework Answers
c) posiitive selection.... MHC complex are Positively selected are further deferiated and functional for adaptive immunity
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T cells learn to recognize the MHC portion of the
antigen-MHC complex during
a. anergy
b....
Which of the following statements about how B and T cells recognize antigen are true? Correct...
Which of the following statements about how B and T cells recognize antigen are true? Correct any false statements. a. B cells only recognize antigen presented by class I or class II MHC molecules. b. Both cell types can recognize extra-cellular antigen free-floating in solution. c. Both cell types recognize extracellular matrix-bound antigens. d. T cells only recognize antigen presented by class I or class II MHC molecules.
ANSWER ALL QUESTIONS FULLY AND CORRECTLY 5-1 T cells recognize antigen when the antigen a. forms...
ANSWER ALL QUESTIONS FULLY AND CORRECTLY
5-1 T cells recognize antigen when the antigen a. forms a complex with membrane-bound MHC molecules on another host-derived cell b. is internalized by T cells via phagocytosis and subsequently binds to T-cell receptors in the endoplasmic reticulum c. is presented on the surface of a B cell on membrane-bound immunoglobulins d. forms a complex with membrane-bound MHC molecules on the T cell e. bears epitopes derived from proteins, carbohydrates, and lipids. 5-2 a....
A) T cells B) B cells 18. Helper T cells recognize. 19. These cells recognize cells...
A) T cells B) B cells 18. Helper T cells recognize. 19. These cells recognize cells that contain foreign antigens (virally infected cells, tumor cells, foreign tissue grafts). 20. Cytotoxic T cells recognize. 21. TAP transporter transports peptides that are loaded onto. 22. These cells recognize whole protein antigens C) MHC I molecules D) MHC II molecules
3 pts Question 12 What type(s) of MHC molecules are present on antigen-presenting cells? Neither MHC...
3 pts Question 12 What type(s) of MHC molecules are present on antigen-presenting cells? Neither MHC I nor MHC II O Both MHC I and MHC II MHC I only OM ll only Question 13 3 pts A B-cell may be activated by: A cytotoxic T-cell A natural killer T-cell Another B-cell A TFH cell
Class II MHC molecules are used to present ________ antigen to ________ cells. a. intracellular; CD8...
Class II MHC molecules are used to present ________ antigen to ________ cells. a. intracellular; CD8 b. intracellular; CD4 c. extracellular; CD8 d. extracellular; CD4
Upregulation of MHC class Il molecules on the surface of antigen-presenting cells occurs during infection. What...
Upregulation of MHC class Il molecules on the surface of antigen-presenting cells occurs during infection. What is this aided by? Select one: a. Destablization of the interaction between the invariant chain and MHCl in the ER O b. Accumulation of HLA-DO in response to inflammatory cytokines c. Deacidification of endocytic vesicles d. IFN-V induced expression of HLA-DM, but not HLA-DO
41, NK eells will Presents MHC-I with viral antigen Expresses normal MHC-I with self antigen b....
41, NK eells will Presents MHC-I with viral antigen Expresses normal MHC-I with self antigen b. Presents mutated MHC-I d. A & C None of the above e. 42. Answer (a) for TRUE or b) for FALSE to the following statement: C3a and CSb are anaphylatoxins. 43. Answer (a) for TRUE or (b) for FALSE to the following statement: C3 and CS convertases are generated from all complement pathways. 44. Answer (a) for TRUE or (b) for FALSE to the...
3. Naïve T cells initially bind to antigen presenting cells by (T cell) binding to (APC)...
3. Naïve T cells initially bind to antigen presenting cells by (T cell) binding to (APC) a. CD4 b. TCR c. CD36 d. LFA i. LFA ii. ICAM-1 i. MHC Class II iv. IL2 IV.
Pls help me fill in the blanks sir/maam T cells mature in the thymus gland in...
Pls help me fill in the blanks sir/maam
T cells mature in the thymus gland in response to that is secreted by the thymus gland. When a T cell leaves the thymus it has a unique These T cells are not able to recognize foreign invaders called _without help. The invader has to be presented to the T cell in a specific way by an __ protein. Immunity mediated by T cells and Tc cells is referred to as _immunity....
Why do normal T cells, which recognize foreign peptide antigens bound to self MHC molecules, react...
Why do normal T cells, which recognize foreign peptide antigens bound to self MHC molecules, react strongly against the allogeneic MHC molecules of a graft?
ANSWER ALL QUESTIONS FULLY AND CORRECTLY
5-1 T cells recognize antigen when the antigen a. forms a complex with membrane-bound MHC molecules on another host-derived cell b. is internalized by T cells via phagocytosis and subsequently binds to T-cell receptors in the endoplasmic reticulum c. is presented on the surface of a B cell on membrane-bound immunoglobulins d. forms a complex with membrane-bound MHC molecules on the T cell e. bears epitopes derived from proteins, carbohydrates, and lipids. 5-2 a....
A) T cells B) B cells 18. Helper T cells recognize. 19. These cells recognize cells that contain foreign antigens (virally infected cells, tumor cells, foreign tissue grafts). 20. Cytotoxic T cells recognize. 21. TAP transporter transports peptides that are loaded onto. 22. These cells recognize whole protein antigens C) MHC I molecules D) MHC II molecules
3 pts Question 12 What type(s) of MHC molecules are present on antigen-presenting cells? Neither MHC I nor MHC II O Both MHC I and MHC II MHC I only OM ll only Question 13 3 pts A B-cell may be activated by: A cytotoxic T-cell A natural killer T-cell Another B-cell A TFH cell
Upregulation of MHC class Il molecules on the surface of antigen-presenting cells occurs during infection. What is this aided by? Select one: a. Destablization of the interaction between the invariant chain and MHCl in the ER O b. Accumulation of HLA-DO in response to inflammatory cytokines c. Deacidification of endocytic vesicles d. IFN-V induced expression of HLA-DM, but not HLA-DO
41, NK eells will Presents MHC-I with viral antigen Expresses normal MHC-I with self antigen b. Presents mutated MHC-I d. A & C None of the above e. 42. Answer (a) for TRUE or b) for FALSE to the following statement: C3a and CSb are anaphylatoxins. 43. Answer (a) for TRUE or (b) for FALSE to the following statement: C3 and CS convertases are generated from all complement pathways. 44. Answer (a) for TRUE or (b) for FALSE to the...
3. Naïve T cells initially bind to antigen presenting cells by (T cell) binding to (APC) a. CD4 b. TCR c. CD36 d. LFA i. LFA ii. ICAM-1 i. MHC Class II iv. IL2 IV.
Pls help me fill in the blanks sir/maam
T cells mature in the thymus gland in response to that is secreted by the thymus gland. When a T cell leaves the thymus it has a unique These T cells are not able to recognize foreign invaders called _without help. The invader has to be presented to the T cell in a specific way by an __ protein. Immunity mediated by T cells and Tc cells is referred to as _immunity....
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