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The O blood type has no antigen, therefore A and B may both receive without any reaction

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15y ago

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When a direct attack by an antibody covers an antigen?

Neutralization


Why is blood type is the universal donor?

AB isn't the universal donor, O is. AB is a universal acceptor because RBC (red blood cells) contain the A and B antigen (simply put, it is a marker on the cell) so the body accepts any blood type because it recognizes the antigens. O is the universal donor because it contains no antigens, so no immune system will attack it.


Why is blood type AB the universal donor?

AB isn't the universal donor, O is. AB is a universal acceptor because RBC (red blood cells) contain the A and B antigen (simply put, it is a marker on the cell) so the body accepts any blood type because it recognizes the antigens. O is the universal donor because it contains no antigens, so no immune system will attack it.


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Why the A antibody of the AB recipient does not atack the donor A antigen on blood?

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Antibody are generated in our body due to attack of any foreign particle known as antigen. Antibodies are produced to provide immunity against that antigen so that if in future that pathogen or antigen again enter in our body then antibody get activate and fight with pathogen to kill it and defend us from disease.


Which of the following initiates an attack against a specific antigen or pathogen?

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