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Substance capable of causing specific hypersensitivity in the body pollen dust?
allergen
What is a lymphocyte that is capable of responding to a specific antigen by binding called?
Complemented
An antigen stimulates B cells to produce a specific what?
An antigen stimulates B cells to produce a specific antibody. This antibody is capable of recognizing and binding to the antigen that stimulated its production, marking it for destruction by other components of the immune system.
What is the difference between antigen and immunogen?
Any foreign particle interact with Antibody or T cell is antigen. Interaction is non-covalent and highly specific. Antigen that evoke immune response is called Immunogen. An immunogen usually has a fairly high molecular weight (usually greater than 10,000), thus, a variety of macromolecules such as proteins,lipoproteins, polysaccharides, some nucleic acids, and certain of the teichoic acids, can act as immunogens.
What are factors affecting antigenicity?
mention factors affecting antigenicity 1) molecular weight of antigen. e.g. protein is a good antigen as compare to lipid or nucleic acid. 2) invecivness of antigen, that is due to toxins or chemicals secreted by the antigen 3) degredibility: antigen should be degreted in body so that body immune system can react against them. 4) complexicity of antigen
When an antigen stimulates b or t cells these b or t cells produce identical lymphocytes called what?
When an antigen stimulates B or T cells, these cells can produce identical lymphocytes through a process called clonal expansion. This results in a large population of identical cells that are all capable of recognizing and responding to the specific antigen that initiated the immune response.
What is an antibody and antigen?
Antigens are substances that provoke an immune response (they're the ultimate target for the immune system). Antibodies are simply proteins that are secreted as a result of the antigen provoked immune response. In short, antigens cause the disease and antibodies cure it.
What is a substance capable of storing and emitting light?
bootles
What is the smallest particle of substance that is capable of independent existence?
an atom
What is a substance capable of destroying or eating away?
A powerful acid
What is a non dissolvent?
something that is not capable of dissolving another substance
What is The smallest particle of a substance that is capable of independent existence?
an atom
