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Which ABO phenotype selection contains the most H antigen and the least H antigen respectively on the red cell surface?
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Alloreactivity is a positive selection step or negative selection step?
Neither. Alloreactivity has to do with a lymphocytes reacting to a foreign antigen. Positive and negative selection are processes of central tolerance which is to say that they deal with a T cell's ability to bind self-antigen.
Antigen presentation is essential for the activation and clonal selection of?
T cells
What type contains neither antigen a and b?
O
What is clonal selection responsible for?
Clonal selection is responsible for the proliferation of clones of effector and memory cells specific for an encountered antigen
What area is antigen challenge and clonal selection most likely to occur?
Lymph node
What happens if your HIV sample contains the disease antigen?
whats the treatment for hiv/aids?
Blood type that contains A agglutinogens?
Type A, is this from the Blood Basics Quiz? I hate that thing.
Hemagglutination-inhibition test description?
It is the measures of the ability of soluble antigen to inhibit the agglutination of antigen-coated red blood cells by antibodies. In this test, a fixed amount of antibodies to the antigen in question is mixed with a fixed amount of red blood cells coated with the antigen (research on passive hemagglutination). Also included in the mixture are different amounts of the sample to be analyzed for the presence of the antigen. If the sample contains the antigen, the soluble antigen will compete with the antigen coated on the red blood cells for binding to the antibodies, thereby inhibiting the agglutination of the red blood cells.
Which of the following is not an antigen that may be found on the surface of an erythrocyte a A antigen b B antigen c O antigen d Rh antigen?
A antigen
In clonal selection of b cells which substance is responsible for determining which cells will eventually become cloned?
there are 100,000 antibodies on the surface of b-cells which are specific for particular type of antigen therefore if specific antibody recognize the particular type antigen then it attach with it and activated.
What is the molecule that can be recognized by the immune system?
Antigens.
What is antigen in German?
Abwehrstoff or Antigen
