Homework Answers
During the initial infection by a virus, macrophages with antigen expressed on their surface secrete interleukin 1, triggering helper T cells to activate T and B cell response. In fact, helper T cells are one of the main cells that modulates the immunological response from T and B cells. It allows the differentiation of B cells in order to produce a humoral response (antibody response) or cytotoxic response (T cells).
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During the initial infection by a virus, macrophages with antigen expressed on their surface secrete interleukin...
Please answer 1-5 When genes are moved from one organism to another for agricultural or biomedical...
Please answer 1-5
When genes are moved from one organism to another for agricultural or biomedical reasons, this is referred to as: Select one: • a genetic engineering b. gene therapy . cclonal selection d therapeutic cloning During the initial infection by a virus, macrophages with antigen expressed on their surface secrete interleukin 1, trigering cells to activate T and B cell responses Select one a memory b helper T C. monocyte Od suppressor T Put the following stages of...
Which of the following cell types are produced during the primary response to a virus and...
Which of the following cell types are produced during the primary response to a virus and provide a swift response during the second exposure to the same virus? Select one a macrophages b. memory cells OC. neutrophils od natural killer cells
Which of the following activates cytotoxic T cells as part of the acquired immune response against...
Which of the following activates cytotoxic T cells as part of the acquired immune response against virus infected cells? -Virus infected cell -Virus infected cell that presents a viral antigen on its surface -A virale infected cell that presents both a viral antigen and a MHC class 1 protein -A virale infected cell that presents both a viral antigen and a MHC class II protein Which of the following is a role of macrophages in a secondary lymph organ in...
Question 1: B cells secrete these types of immunoglobulin antibodies. Choose all correct. 1. IgD 2....
Question 1: B cells secrete these types of immunoglobulin antibodies. Choose all correct. 1. IgD 2. IgL 3. IgG 4. IgM 5. IgA 6. IgE True or False Questions 2. T cells expressing CD8 protein on their surface are called cytotoxic T cells and function in the killing the infected APC cell. 3. Antigen presentation on the cell surface is a way to tell the immune system that they are infected and the presented molecule tells T cells what they...
antibodies A specific B cell is activated when an) from a pathogen binds to one of...
antibodies A specific B cell is activated when an) from a pathogen binds to one of the _ on its surface. Activation also requires from helper T cells. 1 antigen antigen This activated cell then begins dividing into memory B cells, which will participate in the secondary immune response, and cells that will act as protein factories in this immune response. plasma During the primary immune response, these cells secrete cytokines During the secondary immune response, the rapidly, giving rise...
Please answer 1-5 Which of the following do leukocytes use to determine whether something is foreign...
Please answer 1-5
Which of the following do leukocytes use to determine whether something is foreign to the body or should be destroyed? Select one: a major-histocompatibility proteins O b. antigen O c. antibodies O d. all of the above When crossing a plant that is homozygous dominant for flower color (purple) with a plant that is homozygous recessive for flower color (white), the FI generation is Select one O a homozygous and white Ob homozygous and purple c heterozygous...
hoose the complimentary DNA strand to this one TAACGTACG: Select one O a ATCGATCGA O b....
hoose the complimentary DNA strand to this one TAACGTACG: Select one O a ATCGATCGA O b. AUUGCAUGC OC.AAATTTCCC O d. ATTGCATGC Which of the following cell types are produced during the primary response to a virus and provide a swift response during the second exposure to the same virus? Select one. O a macrophages b. memory cells OC neutrophils od natural killer cells
are these answers correct ? 1 pts Question 1 Bacteria enters the body through a small...
are these answers correct ?
1 pts Question 1 Bacteria enters the body through a small cut in the skin. This will result in stimulating all of the processes listed below, but at different stages of the immune response. Which of the following would occur FIRST? stimulate white blood cells to secrete interleukin (IL-1) make memory T cells stimulate the classical complement pathway O produce gamma interferon Question 2 Select the PAMPS from the list below. Select ALL that apply....
Adaptive Immunity: Second Line of Defense—Cellular Defenses The T-cell receptors and CD4 and CD8 molecules interact...
Adaptive Immunity: Second Line of Defense—Cellular Defenses The T-cell receptors and CD4 and CD8 molecules interact with major histocompatibility complex (MHC) proteins. MHC proteins are found on most cells of the body. There are two variations, or classes, of MHC proteins. MHC class I is expressed on the surface of most cells of the body such as skin cells, liver cells, and others. Should a cell become infected with a virus, viral antigens are processed in the cells and expressed...
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
Please answer 1-5
When genes are moved from one organism to another for agricultural or biomedical reasons, this is referred to as: Select one: • a genetic engineering b. gene therapy . cclonal selection d therapeutic cloning During the initial infection by a virus, macrophages with antigen expressed on their surface secrete interleukin 1, trigering cells to activate T and B cell responses Select one a memory b helper T C. monocyte Od suppressor T Put the following stages of...
Which of the following cell types are produced during the primary response to a virus and provide a swift response during the second exposure to the same virus? Select one a macrophages b. memory cells OC. neutrophils od natural killer cells
antibodies A specific B cell is activated when an) from a pathogen binds to one of the _ on its surface. Activation also requires from helper T cells. 1 antigen antigen This activated cell then begins dividing into memory B cells, which will participate in the secondary immune response, and cells that will act as protein factories in this immune response. plasma During the primary immune response, these cells secrete cytokines During the secondary immune response, the rapidly, giving rise...
Please answer 1-5
Which of the following do leukocytes use to determine whether something is foreign to the body or should be destroyed? Select one: a major-histocompatibility proteins O b. antigen O c. antibodies O d. all of the above When crossing a plant that is homozygous dominant for flower color (purple) with a plant that is homozygous recessive for flower color (white), the FI generation is Select one O a homozygous and white Ob homozygous and purple c heterozygous...
hoose the complimentary DNA strand to this one TAACGTACG: Select one O a ATCGATCGA O b. AUUGCAUGC OC.AAATTTCCC O d. ATTGCATGC Which of the following cell types are produced during the primary response to a virus and provide a swift response during the second exposure to the same virus? Select one. O a macrophages b. memory cells OC neutrophils od natural killer cells
are these answers correct ?
1 pts Question 1 Bacteria enters the body through a small cut in the skin. This will result in stimulating all of the processes listed below, but at different stages of the immune response. Which of the following would occur FIRST? stimulate white blood cells to secrete interleukin (IL-1) make memory T cells stimulate the classical complement pathway O produce gamma interferon Question 2 Select the PAMPS from the list below. Select ALL that apply....
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
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