B. O. and AB The letters refer to two kinds of antigens(抗原).A and B. People with typc- A B blood have both antigens those with type- A or type- B have only one, and people with type-O blood don't have the antigens.Does the blood type have anything to do with your ...
A blood types have B plasma antibodies but A red blood cell antigens B blood types have A plasma antibodies and B red blood cell antigens AB blood types have neither A nor B plasma antibodies but A and B red blood cell antigens O blood types have both A and B plasma antibodies but ...
The universal blood donor blood type is type O-. Blood type O describes red blood cells that have no antigens on their cell surface and lack the Rh...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your...
What does it mean to have the blood type A+ or the blood type A-? Universal Donor: Blood antigens determine what type of blood a person can receive in a transfusion. If you receive blood that has antigens that your own blood cells do not have, your body will reject ...
bloodgroupantigenscarbohydratesoralmucosacancerHisto-blood group ABH (O) antigens are major alloantigens in humans. These antigens are widely distributed in human tissues and undergo changes in expression during cellular differentiation and malignant development. The ABH antigens have been characterized ...
If B antigen is present instead of A on the surface of your RBCs, you are said to have blood type B. If both A and B antigens are present, the blood type is called AB. In individuals where both A and B antigens are absent, the blood type is called the O blood group. ...
How long does it take to get HIV results? This depends on what kind of test you had. Rapid tests provide answers in less than 30 minutes. With a standard blood test or antibody/antigen test, you should expect results in a few days. It may take several days to get results from an NA...
Naïve T cells will circulate through the blood and lymphatic system until becoming activated by encountering an APC with a corresponding antigen. Antigens play a significant role in T cell activation and can initiate a full-scale immune response. ...
HIV screening testsare used to look for HIV antibodies and antigens in your blood. Your body creates these after HIV infection. If your HIV test is positive, you will need a second test to confirm it. If your HIV test is negative, you may need a follow-up test in 3 months. It can...
Different people have different types of blood running through their veins. Humans have four main blood groups: A, B, AB and O. These are defined by which antigens are present on the surface of red blood cells: Type A blood has the A antigen on red blood cells, B has the B antigen...