Q: What are Lymphocyte Origins?
A: Introduction Human body is consisting of around 37 trillion cells in total however the large number…
Q: How is immune globulin different from hyperimmune globulin?
A: Immune globulins are some complex glycoprotein molecules produced by the plasma cells, which play a…
Q: What is the function of MHC? Which cells make MHC I, and which make MHC II? What WBCs can present…
A: MHC stands for Major Histocompatibility Complex. These are the group of genes that code for…
Q: What is the function of the MHC antigens?
A: MHC stands for Major Histocompatibility Complex.
Q: What is the source of Interferons (type I)?
A: Interferons can be defined as the group of signaling proteins that are released with the help of…
Q: what are the functions of antigen presentation?
A: Antigen presentation is the process by which protein antigen is is presented to lymphocytes in the…
Q: What are autoimmune diseases? Give two examples?
A: The complex network of proteins and cells that protects the body against infection is called the…
Q: What is Immunoglobulin (Ig)
A: Protein is an important body-building macromolecule. There are four structural levels of proteins…
Q: What molecule ensures that T-lymphocytes which encounter their antigen in the lymph node stay there…
A: T cell is a type of lymphocyte.T cells are one of the important white blood cells of the immune…
Q: Is Crohn's disease considered as an autoimmune disease. If it is, are there other predisposing…
A: Chron's disease and it's linkage
Q: How and why do B cells undergo a class switch from producing IgM antibodies to any of the other Ig…
A: Class exchanging happens after initiation of a develop B cell through its layer bound neutralizer…
Q: What is an immunoglobulin? Describe the structure of an immunoglobulin molecule (light chain and…
A: Immunity is a state of resistance of an organism to invading biotic or abiotic pathogens and their…
Q: What are the functions of antithrombin-III, heparan sulfate,and protein C? How do they affect…
A: Hemostasis is the physiological process by which the flow of blood slows down and the clots are…
Q: which types of cells do myeloid stem cells differentiate?
A: The stem cells that lead to other blood cells are known as hematopoietic stem cells (HSCs) in the…
Q: What is an antigen? How does the immune system recognize antigens?
A: Antigen:An antigen is a substance which is foreign to the body that provokes the body to produce an…
Q: What are the functions of B lymphocytes?
A: Immunology is an important branch of biology which include the study of immunity of different…
Q: What actions of the infl ammatory and immune defenses account for swollen lymph nodes and…
A: The immune system is the organ system of the body that is principally accountable for helping the…
Q: What is MHC? List the specific cells that have MHC presentation and describe their role in the…
A: A sequence of genes that code for cell surface proteins that regulate the adaptive immune response…
Q: What are the attributes of immunoglobulins produced by multiple myeloma. Do they help the immune…
A:
Q: What types of antigens are displayed by MHCclass I molecules? By MHC class II molecules?
A: An antigen is a substance that allows the immune system to generate antibodies against it. This…
Q: How does a naive lymphocyte differ from an activated one?
A: White blood cells are lymphocytes and are also one of the major forms of immune cells within the…
Q: How to the levels of CstF in B lymphocytes determine whether antibodies will be membrane- bound or…
A: Antibodies are produced by this type of white blood cell. B lymphocytes are immune cells that…
Q: What is the monoclonal surface membrane immunoglobulin for b cell with burkitt's lymphoma?
A: Burkitt's lymphoma is the cancer of the lymphatic system, especially B lymphocytes found in germinal…
Q: what are the Haptens, MHC 1 and 2, and APCs?
A: Haptens are small molecules that elicit an immune response only when they are attached to a large…
Q: Define antigenic shift
A: Immunity is the capability of multicellular organisms to resist the attack of harmful…
Q: What are MHC class I and class II receptors and how do they recognize foreignness
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Q: Why are MHC proteins so highly variable?
A: Major histocompatibility complex (MHC) are a group of genes that code for proteins found on the…
Q: Why is that antigen-antibody complexes are visible in aggregated clumps, and yet red blood cells are…
A: Agglutination is characterized as the development of clumps of cells or inactive particles by…
Q: What distinguishes neutrophils from dendritic cells? How do basophils differ from mast cells?
A: The immune system is spread throughout the body and involves many types of cells, organs, proteins,…
Q: How does a single MHC protein present many differentpeptides to T cells?
A: To identify foreign substance or infectious agents a group of cell surface proteins plays vital role…
Q: What are the four types of immunity and apply the the chickenpox virus to this material?
A: The immune system includes special cells, chemicals, and organs that can fight foreign bodies such…
Q: What is Interferons (type II)?
A: The human body is made up of different biomolecules performing different classes of function in…
Q: Which system uses antibodies to destroy antigens?
A: Antibodies, also known as immunoglobulin are Y-shaped glycoproteins that are specialized for…
Q: Why are γδ T cells and NKT cells considered innate leukocytes?
A: γδ T cells and NKT cells are considered as the innate leukocytes, besides belonging to the T cell…
Q: What determines the type and size of a peptide that binds into the groove of a MHC molecule?
A: MHC molecule The major histocompatibility complex (MHC) molecules are cell surface molecules. They…
Q: Distinguish between MHC class I molecules and MHCclass II molecules.
A: MHC refers to Major Histocompatibility Complex. It is a tightly linked cluster of genes present in…
Q: What is opsonization? What is the role of antibodies in this process?
A: When the immune system recognizes foreign antigen enters in the body, complement activation occurs.…
Q: Define the term immunoglobulins ?
A: Immunoglobulins, also known as antibodies, are glycoprotein molecules produces by plasma cells. They…
Q: Which type of MHC-class molecule is found on all nucleated cells and is used to communicate with…
A: Introduction: The MHC (major histocompatibility complex) is a group of genes that encodes for a set…
Q: What is Interferons (type I)?
A: Biology terms are fundamental concepts and terms used in biology, which is the study of life and…
Q: What are the main functions of Immunoglobulin?
A: Plasma cells produce antibodies, also known as immunoglobulins, which are glycoprotein molecules.…
Q: Distinguish between class I and class II MHC proteins.
A: MHC stands for Major Histocompatibility Complex. MHC proteins are a group of surface genes which are…
What is the major histocompatibility complex (MHC) or human leukocyte antigens (HLA)?
Immunity is a state of resistance of an organism to invading biotic or abiotic pathogens and their harmful effects that prevent the development of infection and maintains the organism's integrity by counteracting, neutralizing, and clearing pathogens.
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- What are immunoglobulins?Which type of MHC-class molecule is found on all nucleated cells and is used to communicate with cytotoxic T-lymphocytes? Which classes are displayed on APCs, and which class is used specifically to communicate with (a) helper T-lymphocytes and (b) cytotoxic T-lymphocytes?What is the function of MHC? Which cells make MHC I, and which make MHC II? What WBCs can present antigens in MHC II?
- What does MHC and HLA stand for? What do they do?What is the appropriate response when antigen is presented on MHC class II molecules?a) An effector CD8 cell should kill the presenting cell.b) An effector CD4 cell should kill the presenting cell.c) An effector CD8 cell should activate the presenting cell.d) An effector CD4 cell should activate the presenting cell.What is an immunoglobulin? Describe the structure of an immunoglobulin molecule (light chain and heavy chain).
- When an antigen complex is bound to a Class I MHC molecule, it can stimulate a A) B cell. B) plasma cell. C) helper T cell. D) cytotoxic T cell. E) Antigen presenting cell.A flu-infected cell has down-regulated its MHC class I expression. The lymphocytes below comes to the site and interacts with the cell. How does the downregulation of MHC class I affect these ability of lymphocytes to kill the infected cell? a) influenza-specific T cell b) NK cell c) herpes-specific T cell Indicate whether the possibility increases, decreases or is unchanged for each cell.About Antigen presenting cells, it is CORRECT to affirm that: a). Macrophages, B lymphocytes and dendritic cells are APCs. meaning they express MHC-ll. b). Only APCs present MHC-11. c). Macrophages,B lymphocytes and dendritic cells are phagocytes, but not APCs.d). All the non-APC cells of our body present MHC-1.