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B cells and T cells belong to what class of agranular leukocytes?
B cells and T cells belong to the class of lymphocytes, which are a type of agranular leukocytes. They play a central role in the adaptive immune response by recognizing and targeting specific pathogens for destruction.
Class II MHC molecules are found only on which of the following?
Presented by APCs as MHC-exogenous peptide complex
Is HLA only found on leukocytes?
HLA (human leukocyte antigen) is the name for the MHC (major histocompatibility complex) found in humans. MHC class I molecules (HLA-A, HLA-B, HLA-C) are found on pretty much all cells (some important exceptions are red blood cells). MHC Class II molecules (HLA-DQ, HLA-DP, HLA-DR) are found on special antigen presenting cells, which include B-lymphocytes, dentritic cells, and macrophages.
What pathogens display on the surface of macrophages?
Macrophages can display various pathogens on their surface after phagocytosis, including bacteria such as Mycobacterium tuberculosis and Listeria monocytogenes, as well as viruses like HIV. They present antigens derived from these pathogens on Major Histocompatibility Complex (MHC) molecules, specifically MHC class II for extracellular pathogens and MHC class I for intracellular ones. This antigen presentation is crucial for activating T cells and initiating adaptive immune responses. Additionally, macrophages can display markers from fungi and parasites, further highlighting their role in immune surveillance.
Which nutrient class is used to build body tissues and make enzymes?
protein
How nervous tissues caused action.?
are you a CBSE class 1oth student.because they have the same topic.............
Do macrophages attract helper T cells or Killer T cells?
Macrophages primarily attract helper T cells (CD4+ T cells) through the presentation of antigens on MHC class II molecules. This interaction is crucial for activating helper T cells, which then stimulate other immune responses. While macrophages can also influence the activity of Killer T cells (CD8+ T cells), their primary role in antigen presentation and cytokine production is more closely associated with the activation of helper T cells.
What benefits can you get in art after high school?
Art class can offer several benefits that will help in real life after school. Art helps to develop a sense of pride and achievement, develops time management skills, and develops a person's hands-on abilities.
What class of agent causes temporary incapacitation of both body tissues and the upper respiratory tract?
Riot control
What nutrient class does not function as a builder of body tissue?
Carbohydrates do not function as a builder of body tissue. While they are a source of energy for the body, carbohydrates are primarily used for fuel rather than for building and repairing tissues. Proteins are the main nutrient class responsible for building body tissues.
Where are Class II molecules found?
Presented by APCs as MHC-exogenous peptide complex
What cells express MHC class II molecules?
There are two classes of MHC. MHC I are expressed in all cells except red blood cells (because they lack nuclei). MHC I andMHC II are expressed in professional antigen presenting cells (APC's) that include :macrophages, dendritic cells and B cells.
