Biology
WAEC 2024
Which of the following statements is correct about the ABO blood group system?
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A.
Antigens are located on the surface of white blood cells
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B.
Antibodies are located in the blood plasma
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C.
Antibodies are located on the surface of the red blood cells
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D.
Antigens are located in the blood plasma
Correct Answer: Option B
Explanation
In the ABO blood group system, antibodies are located in the plasma, which is the liquid part of blood.
- The ABO blood group system is based on the presence of antigens and antibodies in the blood.
- Antigens are protein molecules on the surface of red blood cells.
- Antibodies are proteins in the plasma that recognize foreign substances.
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