Choose 1 or more than 1 CD8 T lymphocytes: are generated from lymphoid progenitors in secondary lymphoid organs. help B lymphocytes to differentiate into plasma cells. recognize antigens through specific cell surface receptors. can be helped by CD4+ T lymphocytes to differentiate into cytotoxic T lymphocytes. are involved in the defense against intracellular pathogens.

Q: Cytotoxic effector T cells also produce inflammatory cytokines such as IFN-g and TNF-a when their…

A: According to the question, we have to find out the reason behind the enhanced activity of the…

Q: Which cell(s) are capable of becoming memory cells? Select all that apply. CD4+ T cells B cells CD8+…

A: Lymphocytes are the main cells of immune system of human body. The cells are involved in…

Q: After a B-cell antibody binds to its antigen, what happens next? O antigen/antibody complex is…

A: Immunity is a phenomenon that builds up inside the body of organism in order to eradicate foreign…

Q: True of humoral immunity: The secondary antibody response occurs because of cytotoxic T cells. It is…

A: Immune cells are part of immune system in the body. The immune system protects our body against…

Q: Which of the following is TRUE about CD4 cells? Group of answer choices “The CD4 cells directly…

A: CD4 stands for cluster of differentiation 4 and is a glycoprotein. HIV mainly attack these cells to…

Q: Describe the main functions of T cells. What are the main types of effector T cells and their…

A: T cells also known as T lymphocytes, are part of the immune system and are one of the most important…

Q: This type of cell recognizes a specific antigen displayed by a macrophage and notifies the B-cells…

A: Immune system is responsible for protecting the body against the pathogens.

Q: Which is/are false about innate and specific immunity?     B cells are part of the innate immune…

A: The first line of defense against non-self pathogens is the innate immune response. Its response…

Q: 1.helper T cells 2.B cells 3.Cytotoxic T cells 4.memory B and T cells…

A: Correct answer: 1 - A & B 2- C 3- E 4- D

Q: Naive T cells in CD69-knockout mice might: Group of answer choices   Have a defect in recognizing…

A: The immune system has two types of about trillion lymphocytes cells, called B-lymphocytes and…

Q: Clonal expansion of B cells:

A: Ans - d) Describes the process of multiplication of B cells that have recognized an antigen. Clonal…

Q: Antibodies:  IMMUNOLOGY basic  have two identical antigen-binding sites.  consist of two identical…

A: The multiple choice questions are worked and answers are given below

Q: The following events elicit an antibody response to a T-dependent antigen (Ag). Put them in order…

A: "Since you have posted multiple questions, we will provide the solution only to the first question…

Q: Distinguish among the various types of lymphocytes, including helper T cells, cytotoxic T cells,…

A: Lymphocytes are also called white blood cells that are also one of the body's main types of immune…

Q: What occurs in a cell-mediated immune response? Select all that apply.

A: This form of adaptive immune response is mediated by the T lymphocytes and gives immunity Against…

Q: Which of the following statement is TRUE about effector cells? (Select all that apply)…

A: Effector cells are produced once adaptive immune response is activated because adaptive immune cells…

Q: What happens when a helper T cell is activated?

A: An example of an immune cell is the helper T-cell. They are among the major cell types that are…

Q: Matching: For each group, match the description with the appropriate selection. Each choice could be…

A:

Q: Name the 4 types of T cells and give the function of each one. (note: Suppressor T cell is also…

A: T cells are the lymphocytes and are of four main types: CD4+ helper cells, CD8+ cytotoxic cells,…

Q: (b) Label the following figure that shows the sequence of events by which cytotoxic T cells destroy…

A: Introduction  A length of nucleic acid (either DNA or RNA), encased in a protein coat, makes up a…

Q: Compare and contrast CD4 and CD8 T cells. Include in your response references to structure,…

A: T cells are the type of lymphocytes present in the blood. T cells are components of the adaptive…

Q: Which of the following statements is TRUE about NK cells? Select an answer and submit. For keyboard…

A: Natural Killer (NK) cells are a type of cytotoxic immune cell that play a role in the rejection of…

Q: During activation, there is a secondary exchange of signals between the presenting cell & activated…

A: During activation , there is a secondary exchange of signal between presenting cell and…

Q: T-cell receptor 8-chain gene CD3 complex CD8 CD4 beta-2 microglobulin Drag answer here Drag answer…

A: Introduction MHC is the Major Histocompatibility Complex that encodes various genes which are…

Q: Which of the following is true about the immune system? Check all that apply. CD4 T Cells kill…

A:

Q: Cancer cells often underexpress MHC class 1 molecules. Due to these characteristics, they may be the…

A: MHC class I molecules are heterodimers containing a heavy chain of about 350 amino acids and a light…

Q: Which of the following steps are part of the processing of antigen by immune cells? Select all that…

A: Antigen processing It is also called the cytosolic pathway. It i.s an immunological process which…

Q: List the CD4+T lymphocytes lineages? What determines CD4+ T lymphocyte differentiation? Which…

A: CD4+ T cells play a crucial role in adaptive immunity because they support both cytotoxic T cell and…

Q: Which of the following is also called a CD8 or killer T cell? Macrophage B lymphocyte Ohelper T…

A: Introduction:- A complex system consisting of different cells and organs that protects our body by…

Q: B lymphocytes always require the help of T cells to be activated Select one: True False

A: The formation of B-lymphocytes occurs in the bone marrow. They do not need any supportive molecule…

Q: Some immune system cells like B lymphocytes and T lymphocytes must first be "trained" in either the…

A: The complex network of organ, cells and proteins in our body that defends our body against infection…

Q: Which of the following statements are accurate? T cells, B cells, and Natural killer cells are…

A: According to guidelines we have to answer the first question only. so please kindly post the…

Q: One of the following mismatches: Select one: CD4+ Cells/ T helper cells CD8+ cells/ MHC classII-…

A: Immune system consists of large number of cell and they have receptor which help in its recognition…

Q: choose one: When an antibody binds to more than one antigenic particle the best description will…

A: Antibodies are Y-shaped proteins that bind to foreign invaders in the body and alert the immune…

Q: 1. Can create antibodies 2. Can destroy pathogens by secreting perforins 3. Is activated by a…

A: The humoral immune system deals with antigens from pathogens that are freely circulating, or outside…

Q: The lympathics system includes a network of tissues and organs, which carry the cells and molecules…

A: When any bacteria or viris enters into our body and causes harm to us then our body has some…

Q: The mechanism of cross-presentation by dendritic cells is an essential pathway for generating CD8 T…

A: Cross-presentation is the capacity of specific skilled antigen-presenting cellscells to adopt,…

Q: Describe the role of each of the immune cells listed: T cells   B cells   Immunocompetent   Clonal…

A: The ability or potential of an organism or individual to withstand a particular infection or toxin…

Q: What is the correct function of the lymphatic capillaries?      production of pre-B and pre-T cells…

A: Lymphatic capillaries These are very small, extracellular fluid-processing microvessels with thin…

Q: Click and drag each characteristic into the appropriate category based on the lymphocyte it…

A: Each characteristic based on lymphocytes is placed into the appropriate category below in the table.

Q: explain in detail Altered T cell function and how Ageing can also lead to changes in T cell…

A: Introduction  T cells, also known as T lymphocytes, are a type of white blood cell that play a…

Q: The selection process for T cells is more complex than B cells. Please explain the process, why it…

A: B cells and T cells from the basis of adaptive immunity. These form two broad classes of specific…

Q: What is the difference between memory T cells and cytotoxic T cells?   Memory T cells need more…

A: The answer is Memory T cells do not need to interact with antigen-presenting cells to become…

Q: Which characteristic is NOT associated with the thymus? Group of answer choices elimination of T…

A: The immune system is responsible for preventing a foreign invasion by microorganisms that exist. In…

Q: Which statement is true? Class I MHCs display exogenous antigen and are present on all nucleated…

A: MHC protein or major histocompatibility protein are the proteins of the adaptive immune system. MHC…

Q: Only protein-containing  antigen can activate T cells Select one: True False

A: T cells help in antigen recognition and thus result in immune response.there are T helper cells,T…