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JAMB Biology 1997 Question 18

Question 18

Transport in Animals

The element that is essential for the coagulation of blood is

  1. A.potassium
  2. B.calcium
  3. C.phosphorus
  4. D.iron.
Show the answer and explanation

Answer: B (calcium)

Explanation

Calcium ions are needed for the conversion of prothrombin to thrombin during clotting.