The same tom and jane's blood donations are sent to a processing center where the blood cells are separated from the plasma in each of the two samples. the separated cells and plasmas are then sent to a hospital. a blood researcher wishes to use tom's blood in an attempt to extract and identify the a antigen. should she attempt the extraction process on his blood cells or on his plasma?

Since the blood is already separated form the cellular components and the plasma, blood typing can be a challenge if the medical technologist does not know the theory. Antigens are membrane proteins on the red blood cells. There are 2 types of antigens namely the A antigen and B antigen. Blood types are according to the antigen present in the red blood cells. Blood type O has no antigens in the red cell surface, blood type A has A antigen, blood type B has B antigen, and blood type AB has both A and B antigens. In identifying the antigen, the researcher should extract the cellular components rather the plasma. The plasma, on the other hand, contains antibodies. 

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