Where are the proteins located that determine blood type?
Forensics
| Question | Answer |
|---|---|
| blood types are determined by the presence of protein located on | only on the red blood cells |
| blood proteins that determine blood types are located on | the surface of the cell membrane of red blood cells |
| to determines a person’s blood type, what is added to the slide? | blood and antibodies |
What are blood types determined by?
Blood types are determined by the presence or absence of certain antigens – substances that can trigger an immune response if they are foreign to the body. Since some antigens can trigger a patient’s immune system to attack the transfused blood, safe blood transfusions depend on careful blood typing and cross-matching.
How protein markers determine blood types?
When scientists identify blood types, they rely on slight differences in the antigens, or protein markers on the surfaces of red blood cells in a blood sample. In a body, those antigens are recognized and attached to by antibodies.
Are the proteins that determine blood type quizlet?
Antigens (protein on the outside of the blood, with a specific shape that determines the blood type of the person): * Type A – Only the A protein is present. * Type B – Only the B protein is present. * Type AB – Neither A nor B antibodies present.
What two proteins are responsible for determining blood type?
The Molecular Basis of ABO Genes The A and B transferases are both proteins, and each is 354 amino acids long.
What represents the presence of the rhesus protein on blood?
Rh factor represents the presence of the rhesus protein on blood.
How is blood type determined quizlet?
How is blood type determined? By the different presence or absence of agglutinogens (antigens) on the surface of red blood cells.
Where are antigens found?
red blood cells
They recognise foreign substances, such as germs, and alert your immune system, which destroys them. Antigens are protein molecules found on the surface of red blood cells.
How is blood type determined in a lab?
In order to determine your blood type, a lab technician will mix your blood sample with antibodies that attack types A and B blood to see how it reacts. If your blood cells clump together when mixed with antibodies against type A blood, for example, you have type B blood.
What type of membrane proteins serve as antigens quizlet?
In blood typing and crossmatching, which of the following molecular type serves as antigens? Glycoproteins are on the cell membrane and serve as cell surface markers, known as antigens.
What proteins do white blood cells secrete?
B lymphocytes produce antibodies – proteins (gamma globulins) that recognize foreign substances (antigen) and attach themselves to them. B lymphocytes (or B cells) are each programmed to make one specific antibody.
What gene determines blood type?
ABO (alpha 1-3-N-acetylgalactosaminyltransferase and alpha 1-3-galactosyltransferase) is a protein-coding gene located at chromosome 9q34. 2. This gene encodes proteins that determine the first discovered blood group system, ABO.