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Q: The enzyme that is necessary to bring about clotting of blood is

  • 1
    peptidase
  • 2
    amylase
  • 3
    lipase
  • 4
    thrombokinase
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Answer : 4. "thrombokinase"
Explanation :

Answer: D) thrombokinase Explanation: The clotting of blood is a chain reaction initiated by the enzyme thrombokinase produced by the platelets. This causes prothrombin to be converted into thrombin in the presence of Ca++ion. Thrombin combines with fibrinogen  to produce fibrin threads which entangles the corpuscles to form the clot.

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