Homework Answers
Question-12 , MHC-2 are present on antigen presenting cells with the help of which they present peptides of microbes to T helper cell.
Question-13, 4rth one is correct answer because T follicular helper cell activate B cell
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3 pts Question 12 What type(s) of MHC molecules are present on antigen-presenting cells? Neither MHC...
Question 7 3 pts Which of the following normally occurs after B cell encounter with its...
Question 7 3 pts Which of the following normally occurs after B cell encounter with its antigen? Select all correct answers. Antibody production Class switch recombination VIDJ recombination Junctional diversification Question 8 3 pts What type(s) of MHC molecules are present on antigen-presenting cells? Both MHC I and MHC II Neither MHC I nor MHC II MHC II only MHC I only
1 pts T cytotoxic cell activation involves: O antigen binding to antibody on B cells O...
1 pts T cytotoxic cell activation involves: O antigen binding to antibody on B cells O T cell receptor (TCR) binding to antigen displayed in MHC-II O T cell receptor (TCR) binding to antigen displayed in MHC- natural killer cells 1 pts Question 13 Question 11 1 pts Which of the following is found on the surface of T cells! O All of these O MHC-II O CD and TCR TCR O CD 1 pts Question 12 Question 10 1...
Question 13 3 pt: MHC I and MHC Il differ from each other in that: MHC...
Question 13 3 pt: MHC I and MHC Il differ from each other in that: MHC I, but not MHC II, is necessary for T cells to kill cells presenting endogenous antigen MHC I, but not MHC II, primarily present exogenous antigens to CD8+ T cells MHC I, but not MHC II, is necessary for T cells to activate B cells MHC II, but not MHC I, primarily present endogenous antigens to CD4+ T cells Question 14 3 pts In...
please answer all 4 questions Question 11 3 pts A B-cell may be activated by: O...
please answer all 4 questions
Question 11 3 pts A B-cell may be activated by: O A TEH cell O Another B-cell O A cytotoxic T-cell O A natural killer T-cell Question 12 3 pts What happens to centrocytes that have high-affinity (tightly-binding) antigen receptors after somatic hypermutation? They receive survival signals from TFH cells o They cannot process antigen or present it to TFH cells o They undergo phagocytosis by dendritic cells in the "light zone" o They die...
CD4 and CD8 are: Select one: O a Molecules present on the surface of T cells...
CD4 and CD8 are: Select one: O a Molecules present on the surface of T cells that enhance interaction with antigen presenting cells O b. Molecules present on T cells that provide co-stimulation for B cells @c. Molecules secreted by antigen-presenting cells d. Molecules present on the surface of natural killer (NK) cells e. Molecules on the surface of antigen-presenting cells that inhibit NK cell activation
Question 9 1 pts Natural killer cells target cells that lack MHC-Ion their surface. True O...
Question 9 1 pts Natural killer cells target cells that lack MHC-Ion their surface. True O False 1 pts Question 10 the difference between innate Question 12 1 pts Match the term with the method of complement activation classical pathway [Choose] alternate pathway [Choose] lectin pathway ✓ [Choose) BPD binding to a Sathogen antibody binding to an antigen T cytotoxic cells binding to MHC- lectin binding to RBD lectin binding to mannose 1 pts 13
Answer both of them with explaination please A B-cell may be activated by: Another B-cell O...
Answer both of them with explaination please
A B-cell may be activated by: Another B-cell O A cytotoxic T-cell A TFH cell A natural killer T-cell Question 7 3 Which costimulatory receptor on T cells promotes T cell activation following the binding of the T cell receptor to the MHC/peptide complex? CD8 B7 CD28 CD3 CD4
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.
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
please answer all 4 questions :) Question 7 3 pts Which of the following occur in...
please answer all 4 questions :)
Question 7 3 pts Which of the following occur in both B cells and T cells? o isotype switching O somatic recombination o alternative splicing to produce different isoforms of the receptor o alternative splicing to produce a secreted form of the receptor o somatic hypermutation Question 8 3 pts Multiple factors that increase antigen receptor diversity also increase formation of non- productive alleles. Which of the following would generate a non-productive allele? Select...
Question 7 3 pts Which of the following normally occurs after B cell encounter with its antigen? Select all correct answers. Antibody production Class switch recombination VIDJ recombination Junctional diversification Question 8 3 pts What type(s) of MHC molecules are present on antigen-presenting cells? Both MHC I and MHC II Neither MHC I nor MHC II MHC II only MHC I only
1 pts T cytotoxic cell activation involves: O antigen binding to antibody on B cells O T cell receptor (TCR) binding to antigen displayed in MHC-II O T cell receptor (TCR) binding to antigen displayed in MHC- natural killer cells 1 pts Question 13 Question 11 1 pts Which of the following is found on the surface of T cells! O All of these O MHC-II O CD and TCR TCR O CD 1 pts Question 12 Question 10 1...
Question 13 3 pt: MHC I and MHC Il differ from each other in that: MHC I, but not MHC II, is necessary for T cells to kill cells presenting endogenous antigen MHC I, but not MHC II, primarily present exogenous antigens to CD8+ T cells MHC I, but not MHC II, is necessary for T cells to activate B cells MHC II, but not MHC I, primarily present endogenous antigens to CD4+ T cells Question 14 3 pts In...
please answer all 4 questions
Question 11 3 pts A B-cell may be activated by: O A TEH cell O Another B-cell O A cytotoxic T-cell O A natural killer T-cell Question 12 3 pts What happens to centrocytes that have high-affinity (tightly-binding) antigen receptors after somatic hypermutation? They receive survival signals from TFH cells o They cannot process antigen or present it to TFH cells o They undergo phagocytosis by dendritic cells in the "light zone" o They die...
CD4 and CD8 are: Select one: O a Molecules present on the surface of T cells that enhance interaction with antigen presenting cells O b. Molecules present on T cells that provide co-stimulation for B cells @c. Molecules secreted by antigen-presenting cells d. Molecules present on the surface of natural killer (NK) cells e. Molecules on the surface of antigen-presenting cells that inhibit NK cell activation
Question 9 1 pts Natural killer cells target cells that lack MHC-Ion their surface. True O False 1 pts Question 10 the difference between innate Question 12 1 pts Match the term with the method of complement activation classical pathway [Choose] alternate pathway [Choose] lectin pathway ✓ [Choose) BPD binding to a Sathogen antibody binding to an antigen T cytotoxic cells binding to MHC- lectin binding to RBD lectin binding to mannose 1 pts 13
Answer both of them with explaination please
A B-cell may be activated by: Another B-cell O A cytotoxic T-cell A TFH cell A natural killer T-cell Question 7 3 Which costimulatory receptor on T cells promotes T cell activation following the binding of the T cell receptor to the MHC/peptide complex? CD8 B7 CD28 CD3 CD4
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.
please answer all 4 questions :)
Question 7 3 pts Which of the following occur in both B cells and T cells? o isotype switching O somatic recombination o alternative splicing to produce different isoforms of the receptor o alternative splicing to produce a secreted form of the receptor o somatic hypermutation Question 8 3 pts Multiple factors that increase antigen receptor diversity also increase formation of non- productive alleles. Which of the following would generate a non-productive allele? Select...
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