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 ...
People with type- A B blood have both antigens,those with type- A blood or type- B blood have only one, and people with type-O blood have no antigens at all.Does your blood type have anything to do with your personality (性格)? What does your blood type mean to your personality?
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...
Some studies suggest that the relationship between expression of blood group antigens and cell motility can be explained by different degrees of glycosylation of integrins. Changes in ABO expression in tumours have, in some cases, been due to the A/B gene promoter, although little is known ...
Besides these antigens, there is a protein called the Rh factor whose presence or absence decides whether your blood type is negative or positive. For example, if you have A antigen and Rh factor on your RBCs, your blood type will be A positive (A+); however, if A antigen is present...
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...
What Is a Naïve Cell? Lymphocytes are a type of white blood cell that carry out effector functions against foreign particles that could cause an infection. They play an integral role in human adaptive immunity due to their antigen-specificity. ...
Options:Blood test, saliva test, urine test Human immunodeficiency virus(HIV) is commonly diagnosed through a blood test. The preferred tests not only detect antibodies but also proteins on the surface of the virus calledantigens. If an initialHIV testis positive, a second test will be performed...
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...
Antibodies are produced byB cells, also calledB lymphocytes, which are made in bone marrow and found in the blood and lymph. Antibodies have a distinctiveYshape, which is key to how they work. At the tips ofantibodiesare the unique sites where they bind with a matching site on antigens—...